Answer:
The answer is 113.04
Step-by-step explanation:
Answer:
Step-by-step explanation: The area of the bedroom is
A=7yd^2
The total cost is the sum of the price rates times this area.
C=A•($21+$5)/yd^2
where C is total cost.
C=7yd^2•($21+$5)/yd^2
C=$182
Your answer is 89 since 4*10=40)+5*5=25)+2*12=24, add all the results up and get 89.
Formula of the area of a triangle = 1/2 b*h
(1/2)*10*6 = 30