Giselle G.

asked • 12/26/20

creating linear inequalities

 A store makes a profit of $1.50 per bag of chips it sells. If the store wants to make a profit of no less than $525, how many bags of chips does it need to sell?


2 Answers By Expert Tutors

By:

Mark M.

You start with multiplication then shift to division without any explanation.
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12/26/20

Sabid H.

tutor
Ah, good point! I think a better way of looking at this problem is to set up a system of ratios. We know that 1 bag of chips gives the store $1.50 in profit. 2 bags of chips gives the store $3.00 in profit. So, we can set up a system of ratios such as: 1 bag/$1.50 = 2 bags/$3.00 = 3 bags/$4.50 = x bags/$525 To make this simpler, we can just study the ratio of 1 bag with x bags: 1 bag/$1.50 = x bags/$525 Then, we multiply both sides by $525 to isolate and solve for x. Therefore, x = $525/$1.50 = 350 bags of chips.
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12/26/20

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