Answer:
56 multiplied by 9 = 504
Step-by-step explanation:
55.8 rounded is 56, and 9.12 rounded is 9
Part A:
3x+12+7x+88=180
10x+100=180
10×=80
X=8
Part B:
m<RPS=3x+12
(3*8)+12
=36
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