Question

please tell me the formula

Answer 1

Hello

1. 8/100× x = 10
x = 10 × 100/8
x = 500/4
x = 125

2. 35/100 × x = 280
x = 280 × 100/35
x = 8×100
x = 800

Answer 2

Answer:

Step-by-step explanation:

1st

X × 8/100 =10

X= 1000/8

X=125

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2nd

X× 35/100 =280

X= 28000/35

X= 800