Answer:
S.A for Edmentum and Plato
Like and Rate
I would say the answer would be x = 2y
1.
Ratio = 400 : 500
2.
Ratio = 300 : 700
3.
Ratio = 75 : 125
4.
Ratio = 280 : 320
13.
Ratio = 70 : 30 : 20
14.
Ratio = 125 : 150 : 175
15.
Ratio = 125 : 200 : 225
16.
Ratio = 1.98 : 4.62 : 7.26
Hope this helps. - M
<span>.12x + .08(45000-x)
</span>.12x + 3600 - .08x
.12x - .08x + 3600
.04x + 3600
combined yearly interest = .04x + 3600