Answer:
8
Step-by-step explanation:

21
E (225-25n)
n=1
So its D.
I believe the anwser to be 15 marbles
Answer:
Step-by-step explanation:
29 years they are combined ages the same and if this goes up 2:1 ratio every year thereafter from age 43 then to change 29:43 to make double it is x 8 43 x 8= 344 and 29 x16=464. The ages never become double.
Answer:
7866
Step-by-step explanation:
thanks i guess