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10-05-2021
Mathematics

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(a) 26 is what percent of 40? 65% (b) 85% of 80 is what number?

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10-05-2021

a) 65%
b) 68

26:40 as x:100
26/40 = x/100
Cross multiply
2600 = 40x
x = 65
———————
85% of 80
0.85 is the decimal equivalent of 85%
80 x 0.85 = 68

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