Answer:
28
Step-by-step explanation:
40% 6th graders of 70 total = 28 6th graders
40% 6th graders + 20% 7th graders = 60%
100% - 60% = 40% 8th graders
40% are 8th graders therefore the answer is 28
The answer is infinetely many solutions.
6+6=6+6
12=12
answer
The 3 lb bag of cat food would last for 4 weeks.
if a:c=2:3 andb:c=3:4therefore a:c=2:4
