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Math·Algebra·Linear inequalities in one or two variables

easy

A pet service that takes care of both cats and dogs can care for at most $43$ animals. Which inequality represents this situation, where $c$ is the number of cats and $d$ is the number of dogs?

A

$c-d\le 43$

B

$c-d\ge 43$

C

$c+d\ge 43$

D

$c+d\le 43$