Answer:
Step-by-step explanation:
.
Hey there!
The expression would be, 
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Set up multiplication/division of proportions to cancel out units that you don't want and to introduce units that you do want in your final solution...
2678cm(in/2.54cm)(ft/12in)=2678/30.48 ft≈87.86 ft (to nearest hundredth)
Answer:
B
Step-by-step explanation:
4.5 x 6 = 27
4.5 x 8 = 36
27 x 2 = 54
36 x 2 = 72
54 + 72 = 126cm Perimeter/
27 x 36 = 972 cm2 Area/
12/100 or 3/25............
