SOLUTION: I am trying to help my daughter solve an inequality word problem. Gerald earns $100 per week selling magazines. For each subscription he sells, he earns 1/4 of his total sales.

Question 698087: I am trying to help my daughter solve an inequality word problem.
Gerald earns $100 per week selling magazines. For each subscription he sells, he earns 1/4 of his total sales. If he wants to earn at least $500 next week, how much does he need to sell?
Can you please help me to understand and solve this problem so I can explain it to her?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Gerald earns $100 per week selling magazines. For each subscription he sells, he earns 1/4 of his total sales. If he wants to earn at least $500 next week, how much does he need to sell?
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His commission has to be at least $400 ($500 - $100)
$400 is 1/4 of his sales
Sales*(1/4) = $400
Sales = $1600 to make $500/wk
"at least" means that much or more
Sales >= $1600
>= is greater than or equal to
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