math
posted by elena .
An elementary school collected a total of 240 cans during a food drive. Grade 3 students collected 1/3 of all the cans grade 4 students collected 52 cans, and the rest of the cans were collected by grade 5 students. How many cans did grade 5 collect?
A.28
B.80
C.108
D.188

80

108

3x3=9

3x3=9 12x12=144

(C)108
240[240*(1/3)+52]=108 
the fourth grade students are running a food drive they want to collect 1,000 cans of food they need to collect 8 times as many cans as they already have in order to reach their goal how many cans do they already have

3 pound of cans to recycle if collects 1\4of a Pound each day how many days will it take to collects 3 pounds ?