her ratio of local calls was 9:5
36/20
36/4 = 9
20/4 = 5
C) 9:5
Hope this Helps!!
Answer:
(7, 3)
Step-by-step explanation:
get rid of the y by adding:
x=-2
+x=16
then add the equalities:
2x=14
divide by 2:
x=7
then subsitute the x in to find y!
7+3y=16
3y=16-7
3y=9
y=3
1. 1/6 2. 80
