Answer:
Explanation:
The answer is 9%
if 165 cm --> 100% of the length
15 cm --> x (x because we don't know the answer yet)
to find x we do cross multiplication.
15cm * 100% = 165cm* x
x=1500% / 165 cm
x=9%
it was actually 50%
You subtract the 15 and then you divide
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