Answer:
12 mathletes is needed to solve 30 problems in 5 minutes
Step-by-step explanation:
8 athletes can solve 20 problems in 10 minutes
30-20=10
now we need 10 more problems to be solved so
20/2=10. 8/2=4 so we need more 4 mathletes to solve all the problems
Answer: ≥ without the line on the bottom.
Step-by-step explanation:
I am assuming the expression you are talking about are
and 
.
If we were to replace w with 4 and calculate, we will find the answer:
Since the first expression, , is bigger than the second expression, the correct symbol to use is ≥ without the line on the bottom.
Answer:
Katie collected 365 cans in the second week.
Step-by-step explanation:
Because Katie collected 470 cans in the first week, and 105 less in the second week, we know to subtract 105 from 470, which gives us 365 cans.
