Question

Bicycling, the world's leading cycling magazine, reviews hundreds of bicycles throughout the year. Their "Road-Race" category contains reviews of bikes used by riders primarily interested in racing. One of the most important factors in selecting a bike for racing is the weight of the bike. The following data show the weight (pounds) and price ($) for 10 racing bikes reviewed by the magazine.†

Brand	Weight	Price ($)
FELT F5	17.8	2,100
PINARELLO Paris	16.1	6,250
ORBEA Orca GDR	14.9	8,370
EDDY MERCKX EMX-7	15.9	6,200
BH RC1 Ultegra	17.2	4,000
BH Ultralight 386	13.1	8,600
CERVELO S5 Team	16.2	6,000
GIANT TCR Advanced 2	17.1	2,580
WILIER TRIESTINA Gran Turismo	17.6	3,400
SPECIALIZED S-works Amira SL4	14.1	8,000

a) Predict the price (in dollars) for a bike that weighs 17 pounds. (Round your answer to the nearest dollar.)

b) Predict the price (in dollars) for a bike that weighs 15 pounds. (Round your answer to the nearest dollar.)

Answer 1

Solution:

a) Price for a bike that weights 17 pounds = 28574 - 1439(17)

= 28574 - 24463

= 4111

b) Price for a bike that weights 15 pounds = 28574 - 1439(15)

= 28574 - 21585

= 6989

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