Answer:
60
Step-by-step explanation:
first you have to find 50% of 40 but multiplying 40 by .5 to get 20. then you add 20 to 40 to get your answer
Answer:
Step-by-step explanation:
radius squared multiplied by pi = area
2 squared = 4
3.14 x 4 = 12.56
Area= 12.56 feet squared
(base times height) multiplyed by 2, Then multiply it by 4. Next you find the area of the base, then when you figured it out, add it to what you did in the beggining
30 hours. Multiply $8.10 by 40 to get $324. Divide $324 by $10.80 to get 30 hours.