Question

Heladio has 52 marbles . divide them into two groups so that for every 6 marbles in the first group there are 7 marbles in the second group.

Answer 1

ratio is 6:7
6+7=13
52=13 units
divide both sides by 13
4=1unit
6 units in first group 7 units in 2nd
6*4=24
7*4=28

there are 24 marbles in 1st group, 28 marbles in 2nd group