Answer the following(See Example)
Allen, Jose, and Ismel take a trip. If Allen has driven of the trip, Jose has driven of the trip, and Ismel has driven of the trip, what part of the trip has been completed?
Example
a. To make a circuit board requires of an ounce of silver. How many circuit boards could be made using 1 pound 11 pound = 16 ounces 2 of silver?
Solution
To find the number of circuit boards, divide the number of ounces of silver available by the number of ounces needed to make one circuit board.
b. A recipe for a cake calls for of a cup of chopped nuts. Find the number of cups of nuts needed for nine such cakes.
Solution
To find the number of cups of nuts needed for nine cakes, multiply the number of cups per cake by the number of cakes. Hence,
c. The water level rose of an inch on Thursday and 38 of an inch on Friday. How much did it rise in two days?
Solution
To find the total amount it rose, we add the amount it rose on Thursday to the amount it rose on Friday.
d. The battery on a cell phone was at of a full charge. After 3 hours of usage, the battery’s charge was reduced by of a charge. How much charge was remaining?
Solution
To find the battery’s remaining charge, we reduce, or subtract, the expended charge from the beginning charge.
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