Answer:
21 minutes
Step-by-step explanation:
30%=9
10%=3
100%-30%=70%
7×10%=70%
3x7=21
=21minutes
Answer:

Step-by-step explanation:
"At least" is inclusive, so you can be 21 years old.
For m it’s 1,1/3and -5/3 you will get different values when plug the different values of n
(32 ft) x (30 ft + 5/12 ft) = (960 ft² + 13-1/3 ft²) = 973-1/3 feet²