Question

a number increase by 20% gives 42. the number is​

Answer 1

Answer:

Step-by-step explanation:

let the no. be x

20 percent of no. be 20x /100

=x/5

20 percent of no. add to itself is x+x/5

=6x/5

According to question

6x/5=42

x=42×5/6

x=35

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