Question

If 90% of x is 315 km, then the value of x is: a )325 km b )350 km c )350 m d )325 m

Answer 1

Answer:

(b) 350 km is the correct option.

Step-by-step explanation:

90% of x = 315 km

=> 90/100 × x = 315

=> x = 315×100/90

=> x = 350

So, x= 350 km

Hence,(b) 350 km is the correct option.

Hope, it may be helpful.

Answer 2

Step-by-step explanation:

by using the formula if percentage of any unknown number is given

given no.×100/given%

hope it helped

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