Question

HOTS Questions 1. If 21 is added to a number, then the result becomes 130% of the number. What is the number?
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Answer 1

Answer:

let the no be x

then,

x+21 =130%of x

x+21 =130/100 ×x ( after removing the percent sign)

x+21 = 13/10 ×x

x/x =13/10 -21

x= -19. 7

kindly let me know if I am wrong