Hugh has to earn at least $400 to meet his fundraising goal. He has only 100 books that he plans to sell at $8 each. Which inequality shows the number of books, x, Hugh can sell to meet his goal?

2 Answers
Jul 20, 2018

8x\ge400

Explanation:

Hugh needs to earn (y) at least 400 dollars. y\ge400
Given x books sold at 8 dollars each,
8x

Hugh's earnings y...
8x=y\ge400
8x\ge400

Jul 20, 2018

x >= 50

Explanation:

Total funds:
T=x*8

to meet his goal:

T>= 400

so x*8 >= 400

multiply both sides by 8

x >= 400/8

simplify the fraction

x >= 50