Mathematics
camilleg
2016-04-16 18:49:06
A certain mail service charges $15 for an overnight package, plus 18 cents per pound. Find the cost of mailing a 40-pound package through this company.
ANSWERS
Sommereveryday
2016-04-17 00:11:01

cost = $15 + $ .18x y = .18 (40) + 15 y = 7.2 + 15 y = 22.2 so the answer is $22.20  check: 22.20 = .18x + 15 7.2 = .18x  x = 40

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