Question

in a two digit number, the digit at the ten's place is 7 and the sum of digits is 8 times the digit in the unit place. then number is

Answer 1

Answer:

the answer is 71

Step-by-step explanation:

let the digit in, the ten's place be x and in the one's or unit place be y

by given data;  x= 7 and 7+y=8(y)

=>7=8y-y

=>7=7y =>y=1

therefore the number is 71

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