An elastic band which is 72 cm long is stretched to 90 cm. Find the percentage increase in its length. Show your answer with rough work please.
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Answer:
step by step explanation
increase x original amount ×100
so 90 -72 =18 ×72 ×100 ÷100
the answer is 1296 ÷100 so it will 12.96 %%
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Answer:
25 %
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