Jabu had a few marbles. Today he played and doubled his number of marbles. Then Thabo gave him three marbles for free. Jabu has 21 marbles now. How many did he have before he started playing?
Answers
Answered by
1
Let jabu had no of marbles =x
Now he has 2x
So 2x+3 =21
2x= 18
X=9
Now he has 2x
So 2x+3 =21
2x= 18
X=9
Similar questions