A number leaves 7by subtracting 2from 1/5 part of it. find the number

Answers 1

Answer:

the no. be 45

Explanation:

first of all

number be x then ,

1/5of x =1/5x

after subtracting 2from 1/5x then it leaves 7

so,

1/5x-2=7

1/5x-2/1 =7 (*l.c.m of 1and 5 =5)

1×1x-2×5/5=7

1x-10/5=7

1x-10=7×5 ( cross multiplication )

1x-10=35

1x=35+10

1x=45

x=45/1

x=45

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