what percent did the gro animal grow from 4.5 cm long and 1.75 cm wide to 8 cm long and 3.5 cm wide

The gro animal grew from 4.5 cm long and 1.75 cm wide to 8 cm long and 3.5 cm wide.  What percentage did it grow?
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1 Answer

Length increase = 8/4.5=16/9.

Width increase = 3.5/1.75=2.

Area increase=16/9×2=32/9=356% approx.

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