% means per 100
so when figuring out percents it's good to use 100
so
on $100 7% would mean $7
on $50 7% would mean $3.5
in $200 7% would mean $14
It does not represent b/c you have to evenly divide 60 cans on 10 rows
Answer: first 51 second 17
x=second group, 3x=first group
3x+x=68
4x=68
x=17
3x=3*17=51
The answer is to this question is c