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Question

Marcus can spend no more than $120 on jeans and shirts for school. He buys 3 pairs of jeans at $32 each. If x represents the dollar amount he can spend on shirts, which of the following inequalities could be used to determine the possible values for x?

A
3(32)x120
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B
3(32)x120
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C
3(32)+x120
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D
3(32)+x120
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E
x3(32)
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Solution

The correct option is C 3(32)+x120
Given: Amount that Marcus can spend on jeans and shirts is no more than 120$
Formally, amount that Marcus can spend on jeans and shirts in dollars 120
As Marcus buys 3 pairs of jeans at 32$ each,
Amount Marcus spent on jeans in dollars = 3.(32)
Amount Marcus can spend on shirts in dollars = x
From above, amount that Marcus can spend on jeans and shirts in dollars = Amount Marcus spent on jeans in dollars + Amount Marcus can spend on shirts in dollars
= 3.(32) + x
As amount that Marcus can spend on jeans and shirts in dollars 120
3.(32) + x 120
Therefore, the possible values of x can be determined by 3.(32) + x 120.

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