Answer:
A. 12
B. 4
C. 10
D. 8
E. 36
F. 70
4 cups of yellow with 7 cups of blue
Step-by-step answer:
simply just double both amounts of paint and the ratios should even making the same shade of paint
x^2 +18x +80
= x^2 + 10x + 8x +80
= x(x+10) + 8(x+10)
= (x+10)(x+8)
Hope this help!
Good luck!