Question

If 30% of 140 = x% of 840, then find the value of x. ​

Answer 1

Answer: x= 5

Explanation: Given that 30% of 140 = x% of 840
Thus
100
30
​
×140=
100
x
​
×840
⇒42=8.4x
⇒x=5

Answer 2

Answer:

The value of x is 5

Step-by-step explanation:

30% of 140= x% of 840

⇒ 140×30/100 = 840×x/100

⇒ 140×30= 840x

⇒ x = (140×30)/840

⇒ x = 5