by Jane Tan

(Singapore)

The number of marbles in Box A,Box B and Box C was 195. John added 60 marbles to those in Box A,doubled the number of marbles in Box B and halved the number of marbles in Box C.The ratio of the number becomes 4:1:2. What is th total number in the three boxes now?

I need th answer ! Thank you!

Zach's Answer: