the sum of the digits of a certain two digits number is 7. reversing its digit increases by nine what is the number
1 answer:
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Answer:
75%
Step-by-step explanation:
First find the number of boys.
80 - 20 = 60
Now find the percentage my taking the number of boys upon the total, times that by 100 which gives the percentage.
× 100 = 75%