Gabriel is looking at her marble sets. She sees that in the first set 10% of her marbles are broken. In the second set, 20% of the marbles are broken. The first set contains 50 marbles. The second set contains 60. How many marbles are broken in total?
How many marbles are broken in the first set? ** In the first set there are 5 broken marbles because 50 x .1 = <<50*.1=5>>5
How many marbles are broken in the second set? ** In the second set there are 12 broken marbles because 60 x .2 = <<60*.2=12>>12
How many marbles are broken in total? ** There are 17 broken marbles in total because 5 + 12 = <<5+12=17>>17
#### 17