Question

i)Find the number which when increased by 30% becomes 39
ii)Find the number which when decreased by 8% becomes 506​

Answer 1

Answer:

Let the number be x

Decrease =8% of x

=

100

8

x=

25

2

x

According to statement,

x−

25

2

x=506

25

25x−2x

=506

25

23

x=506

x=

23

506×25

=

23

12650

=550

hence the number is 550

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Answer 2

i)=30 first answer is this

and second one is this

ii)550