Let a and b be store A and store B, respectively. Then:
3a+b=63
5a+4b=140
So
12a+4b=252
5a+4b=140
7a=112
a=16
b=15
☺☺☺☺
Answer:
it is a 90 degree angle
Step-by-step explanation:
because the little square in the corner
15x-6+10x-4 = 75
I think this is correct. I had a problem similar to this, and this was the kind of way it was set up
The image is not really clear