Answer:
The answer would be 15(4)+12(10)=210
Step-by-step explanation:
Standard form looks like Ax + By = C
and when plugging in your info you can but the prices as x and y and the amount in A and B. then solve the equation giving you 210. If you need any more explanation tell me.
93 = g + 36 + 18
D
blue and next line
A
y=2/3x-2