SOLUTION: Elementary and Intermediate Algebra, 3eElementary and Intermediate Algebra, 3e ISBN: 9780073533490 Author: Mark Dugopolski Citation Generator copyright © 2009 The McGraw-Hi

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Question 165998This question is from textbook
: Elementary and Intermediate Algebra, 3eElementary and Intermediate Algebra, 3e ISBN: 9780073533490 Author: Mark Dugopolski Citation Generator
copyright © 2009 The McGraw-Hill Companies
Page 251 number 25
Solve each problem
The price P for a watermelon varies directly with its weight w
A. Write a formula for this variation
B. If the price of a 30-pound watermelon is $4.20, then what is the price of a 20-pound watermelon. This question is from textbook

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
30/4.20=20/x
30x=20*4.20
30x=84
x=84/30
x=$2.80 for the 20 lb melon.