Answer:
$9.90
Step-by-step explanation: I DID THE WORK. SIMPLE
#11 and #12 have no solutions, #13 has a solution which is 14
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I believe the answer is C.
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1 Remove parentheses.
2(5c−7)≥c−3
2 Expand.
10c−14 ≥ c −3
3 Add 14 to both sides.
10c-14+14≥ c − 3+14
4 Simplify c−3+14 to c+11
10c≥c+11
5 Subtract c from both sides.
10c−c≥11
6 Simplify 10c−c to 9c
9c≥11
7 Divide both sides by 9.
c ≥11/9
PEMDAS
(9)(5) + 8
45 + 8
53
