Answer:
25;41;8;21
Step-by-step explanation:
a) 48=d+23
48-23=d
d=25
b) W-13=28
28+13=W
W=41
c) 9x=72
72/9=x
x=8
d) 84=4n
n=84/4
n=21
A) Total cost of materials: 145.86 + 52.91 + 17.63 = $216.40
b) Percent cost of hardware: 17.63/216.40 = 0.081
c) Percent cost paint and hardware: (17.63 + 52.91)/216.40 = 0.326
The answer is b, infinite solutions
1 square yard is 9 square feet...