21 and 22 because 21+22=43
The surface area formula is 4 x pi x r^2
Answer:
Im pretty sure I saw this question.. 228
Step-by-step explanation:
It took them 4 days to install 480 chairs which means if they were working at a constant rate they got 120 chairs installed daily. with 360 chairs left that means in 3 days they will finish. so overall, it took the workers 7 days to finish, or a week.
Answer:
45%
Step-by-step explanation: