Answer:
a. d < 11
Step-by-step explanation:
4 + d < 15
d < 15 - 4
d < 11
Let T=Num of T-shirts 27
Let M=Total amount of money spent for 27 T-shirts.
Let X=Cost of 1 T-shirt
M(Total cost)/T(#of T-shirts) = X (Cost of one shirt)
The square has area 8*8=64, the rectangle has area 7*4=28, and the triangle has area 7*6/2=21. Their sum is 64+28+21=113.
The answer is y= — 1/2x + 3
