Question

Twice a certain number 3 minutes is equal to 7,what is the answer

Answer 1

Answer:

LET THE NUMBER BE x.

A/Q,WE HAVE

2x-3=7

or , 2x =7+3

or , x =10÷2

or,x=5

HENCE,THE REQUIRED NO.IS 5.

HOPE IT HELPS YOU ☺.