Question 390763
(x-4)/-3=-4
x-4=-4*-3
x-4=12
x=-3
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x-0.15x=680
0.85x=680
x=680/0.85
x=800
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21/(7/8)=
21*(8/7)=168/7=24
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64*1.25=80
so B) is best fit 10 x 8