# Ann lives in Princeton and commutes by train each day to her job in New York City (20 round trips per month) related homework questions

• #### Ann lives in Princeton and commutes by train each day to her job in New York City (20 round trips per month)

Ann lives in Princeton and commutes by train each day to her job in New York City (20 round trips per month). When the prices of a round trip goes up from \$10 to \$20, she responds by consuming, exactly the same number of trips as before, while spending \$200 per month less on restaurant meals.a.Does the fact that her...

• #### Two ferryboat each traveling at different constant speed start at the same instant from opposite sides of the Hudson River, one going from New York City to Jersey City and the other from Jersey City to New York City

Two ferryboat each traveling at different constant speed start at the same instant from opposite sides of the Hudson River, one going from New York City to Jersey City and the other from Jersey City to New York City. They pass one another at a point 720 yard from New York City shore. After arriving at their respective destinations, each...

• #### Four girls, Ann, Bobbie, Cathy, and Deb, have \$1100; Ann has a certain sum, Bobbie has twice as much as Ann, Cathy has \$800, and Deb has \$200 more than Cathy; how many dollars has Ann

Four girls, Ann, Bobbie, Cathy, and Deb, have \$1100; Ann has a certain sum, Bobbie has twice as much as Ann, Cathy has \$800, and Deb has \$200 more than Cathy; how many dollars has Ann?

• #### Every hour on the hour, a train leaves New York for Philadelphia while every hour on the hour, a train leaves Philadelphia for New York

Every hour on the hour, a train leaves New York for Philadelphia while every hour on the hour, a train leaves Philadelphia for New York. The trip between the two cities takes exactly two hours. When a train goes from New York to Philadelphia, how many trains going in the opposite direction does it meet?

• #### A Metra train is at rest at the train station. You are running with a constant speed of #4.0m/s#. When you are 7.50m from the back end of the train, the train begins accelerating away from you at #0.12m/s^2#. Can you catch the train?

If so, when do you catch the train? If not, how close do you get?

• #### quantum mechanics; Show that if any operator A commutes with Jy and Jz, it also commutes with Jx.

Show that if any operator A commutes with Jy and Jz, it also commutes with Jx. Show all steps.

• #### using the fundamental counting principle with three or more groups of items There are three highways from city A to city B, two highways from city B to city C,and four highways from city c to city D

using the fundamental counting principle with three or more groups of items There are three highways from city A to city B, two highways from city B to city C,and four highways from city c to city D. How many different highway routes are there from city A to city D?

• #### If train A leaves the station going 60 miles per hour and train B leaves one hour later going 85 miles per hour, how long will it take train B to catch up with train A

If train A leaves the station going 60 miles per hour and train B leaves one hour later going 85 miles per hour, how long will it take train B to catch up with train A?

• #### Ryan is a Canadian resident who lives with his family in Victoria, Canada, but works for a small donut cafe in Seattle, U.S., where he commutes every day. On a typical day, Ryan produces 400 donuts th...

Ryan is a Canadian resident who lives with his family in Victoria, Canada, but works for a small donut cafe in Seattle, U.S., where he commutes every day. On a typical day, Ryan produces 400 donuts that sell for \$1 apiece. Of the revenue from selling the donuts, Ryan is paid \$200 per day. The remaining \$200 revenue is distributed...

• #### Lawrence records the number of minutes he reads each day show below Day 1: 75 mins Day 2: 30 mins Day 3: 25 mins Day 4: 50 mins Day 5: 80 mins How many minutes must Lawrence read on the sixth dat of have mean of 55 minutes read for the 6 day

Lawrence records the number of minutes he reads each day show belowDay 1: 75 minsDay 2: 30 minsDay 3: 25 minsDay 4: 50 minsDay 5: 80 minsHow many minutes must Lawrence read on the sixth dat of have mean of 55 minutes read for the 6 day?

• #### Please answer the following in Python: The cost of a travel pass includes a \$5 administrative charge and the cost of one unit of trips (or 10 trips) at \$1.50 per trip. A passenger who has a tr...

Please answer the following in Python: The cost of a travel pass includes a \$5 administrative charge and the cost of one unit of trips (or 10 trips) at \$1.50 per trip. A passenger who has a travel pass can perform these operations make trips as long as there is at least one unconsumed trip, top up in multiples of...

• #### there are 30 boxes to be moved out of a house bob can carry 3 boxes at a time pedro can carry 2 boxes at a time and jameelah can carry 1 box at a time if each person takes and equal number of trips how many trips will be needed to move all of the boxes

there are 30 boxes to be moved out of a house bob can carry 3 boxes at a time pedro can carry 2 boxes at a time and jameelah can carry 1 box at a time if each person takes and equal number of trips how many trips will be needed to move all of the boxes

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