oluwamuremolasoyewo oluwamuremolasoyewo

22-09-2020
Mathematics

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If 3 is added to three quarters of a certain number ,the result is 30 .find the original number.

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davidmedulla5 davidmedulla5

22-09-2020

Answer:

X=36

Step-by-step explanation:

Let x be the unknown number

Three quarters of a number =3x/4

Three was added =3x/4 +3

Final

3x/4 + 3= 30

Multiply through with 4

3x+ 12=120

3x=120-12

3x=108

X=108/3

X=36

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