Answer:
c
Step-by-step explanation:
Answer:
8300
Step-by-step explanation:
First, do parenthesis
Then, do the rest of the PEMDAS
Last, you're done!
Let volleyball be v and let basketball be b.
v : b = 4 : 7, b = 21
v : 21 = 4 : 7
v/21 = 4/7
7*v = 4*21
v = 4*21/7
v = 4*3
v = 12
Volleyballs are 12
Hope this helps.
Recall your d = rt, distance = rate * time.
let's say the Eastbound train is going at a rate of "r" mph, since we know the Westbound train is going faster 12 miles more than that, then the Westbound train must be going "r+12".
we also know that after 4 hours, both of them were 760 miles apart, so