B. 3M-2N
this is because when you combine 4n and -6n you get -2n
6+5+11+15=37
so she sold 37 cups of lemonade in 4 hours
Answer:
-61.83
Step-by-step explanation:
Given expression is 
We know that 0.6 is 3 times 0.2 so we can cancel 0.6
Also 8.5-2.5 = 6
⇒
⇒
= -61.83
7 groups because you need to find a number that 14 and 21 both go into. 7 works because 7*2 is 14 and 7*3 is 21 so 7 is the answer.
HELLO the answer is 33!!!