Answer:
520
Step-by-step explanation:
= 650 - (97.50 + 97.50/3)
= 650 - 130
= 520
Answer:
I don't know how to do this thing
Answer: n=-7
Step-by-step explanation:
3n-7=6n-2n
3n-7=4n
-7=n
n=-7
Answer:
30
Step-by-step explanation:
5/9 because you have to add those two together and put that number over the total number of marbles.