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Math·Algebra·Linear inequalities in one or two variables

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A shopper goes to a pet store to buy dog food and treats. The shopper has $20. Each can of food costs $1.87, and each bag of treats costs $2.37. Which inequality represents the relationship between the number of cans of food, $c$, and the number of bags of treats, $t$, the shopper can buy?

A

$1.87c+2.37t\le 20$

B

$1.87c+2.37t\ge 20$

C

$2.37c+1.87t\le 20$

D

$2.37c+1.87t\ge 20$