Answer:
.
Step-by-step explanation:


to give b from both equation the same value


a:b:c = 8:6:9
a = 8
b = 6
c = 9
-20+14m=10m+16
-10m. -10m
-20+4m=16
+20. +20
4m=36
/4. /4
m=9
.................................................idk
A. 25mpg $13,000 B. 45mpg $25,000 15,000 $4
15,000/25 = 600, 600x$4 = 2400 15,000/45 = 333.3, 333.3x$4 = 1333.3
2400 = 1333.3x x= 1.8
so 2 years