If someone covers 4 laps in 12 minutes, he would be able to cover 1 lap in 3 minutes if that was the question. The question isn’t really clear.
Answer:
21/2
Step-by-step explanation:
step 1: remove parentheses
10+1/2
step 2: calculate
21/2
(alternative forms: 10 1/2, 10.5)
Answer and Step-by-step explanation:
Workings and solutions to a, b, & c can be viewed in the snapshot below:
F=??
4 vertices mean V=4
6 edges mean E=6
4-6+F=2
-2+F=2
F=4