x+y = 90
x=2y+9
2y+9+y=90
3y=81
y= 27 Emily's age
x= 2*27+9 = 63 Matt's age
Answer:
I think it can be 3 . Hope it help you
Answer:
I think the answer is 0,8
Answer:
18 years
Step-by-step explanation:
20,010 = 8700*(1.05)^x
x = log_21/20 (23/10)
x = 17.07125