Question

Sushil was thinking of a number. Sushil doubles it, then adds 20 to get an answer of 25.7. What was the original number?

Answer 1

Answer:

2.85

Step-by-step explanation:

2x+20=25.7

2x+20-20=25.7-20

2x=5.7

2x/2=5.7/2

x=2.85