Solve for x, then switch x and y
y=3x/8+x
y=11/8x
x=8/11y
Switch x and y
y=8/11x
Their ratio would be: Cookie / Donut = 4/3
Let, the amount of money earned from Donut = x
It would be: 4/3 = 375 / x
x = 375/4 * 3
x = 1125/4
x = 281.25
In short, Your Answer would be $281.25
Hope this helps!
There is not enough detail for me to answer
