Cake=x
Pie=y
x+y=15
5x+7y=91
(x+y=15)-7
5x+7y=91
-7x+(-7y)=-105
5x+7y=91
-2x=-14
x=7
They sold 7 cakes
Answer:
sry I can't understand how to do this question
Answer:
D is 16 degrees and C is supposed to have 2 angles so C is half of 85 so 42.5 degrees.
Step-by-step explanation:
Yes on what, there is not picture posted?