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Anonymous
If 20 = 100% then 45 = 225% So, 45 is an increase of 125% on 20
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Yes, because 8/15 = 24/45
45% = 9/20
45% = 9⁄20
The GCF for 20 45 75 is 5.
90% of 45= 90% * 45= 0.9 * 45= 40.5