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#11991

inequalities

money

word problem

easy

85 sec

A store is stocking $r$ red pens and $u$ blue pens. They want to have at least 30 pens in total. If red pens cost $1.50 e a c han d b l u e p e n scos t$ 2.00 each, and the total cost for these pens must not exceed $50$ , which system of inequalities represents this situation?

A.

$r + u \leq 30$
$1.50 r + 2.00 u \geq 50$

B.

$r + u \geq 30$
$1.50 r + 2.00 u \geq 50$

C.

$r + u \geq 30$
$1.50 r + 2.00 u \leq 50$

D.

$1.50 r + 2.00 u \leq 30$
$r + u \geq 50$