Solve: + 2x = $115.10

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Author Question: Solve: + 2x = $115.10 (Read 46 times)

j.rubin

Hero Member
Posts: 557

on: Jun 7, 2019

Question 1

Solve and find the value of y, given 3(1-2y) + 5y = 5

Question 2

Solve:

+ 2x

= $115.10

Contemporary Business Mathematics with Canadian Applications ¦ Hummelbrunner, Halliday, Coombs ¦ 11^th Edition

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jasonq

Sr. Member
Posts: 335

Reply #1 on: Jun 7, 2019

Answer 1

3(1-2y) + 5y = 5
⇒ -y + 3 = 5
⇒ y = -2

Answer 2

+ 2x

= $115.10
⇒

+ 2.11452x = $115.10
⇒ 3.06442x = $115.10
⇒ x = $37.56

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