Question

7.Set up equation and solve it to find unknown number:
one fifth of a number add 15 gives 30​

Answer 1

Answer:

1/5×x+15=30

x/5+15=30

x/5=15

x=15×5

x=75

Answer 2

Step-by-step explanation:

let no. is x

1/5x +15 = 30

take l.c.m

(x+75)/5 =30

x+75 = 30×5

x+75 = 150

x= 150-75

x= 75

75 is the number

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