Question

find the number which when increased by 2.5℅ becomes 77.​

Answer 1

Answer:

lets assume that number is X

so

X + X*(2.5/100)=77

=> X + X*(1/40)=77

=> 40X + X = 77* 40

=> 41X =77 *40

=> X = (77*40)/41= 3080/41= 75.12

Answer 2

Step-by-step explanation:

77x2.5/100 = 1.925

The no. = 77-1.925=75. 075

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