Answer:
The answer for A is .
The answer for B is <em>4 cans. </em>
The answer of C is <em>$98.</em>
Step-by-step explanation:
A-
Multiply 2.5 by 3.5 and you'll get 8.75 Multiply 3.5 by 1.2 and you'll get 4.2; divide and your answer will be 2.1 Add to 8.75 Get 10.85 Subtract from area of door ( 3m because 1.5 times 2 is 3) and you'll get 7.85
B-
Divide 7.85 by 2.5 and you'll get 3.104; round that and you'll get 4 cans.
C-
Multiply the amount of cans (4) by 24.5. Do this and you'll get $98.
Hope this was helpful!!!