Answer:
B
Step-by-step explanation:
If -10 is 10 seconds before he finishes his first lap, and 10 is 10 seconds after he finishes his first lap, whats in the middle of that?! 0 of course, so thats when he finishes his first lap.
Answer:
x=10
Step-by-step explanation:
30-10=20
20/2=10
2(10)+10=30
Last year He was 7 years old.
His father is 4 times the age 7 x 4 = 28
Last year his dad was 28, so this year he is 29.
Combined age this year = 29 + 8 = 37
51 - 37 = 14 years
14/ 2 people = 7 years
8 + 7 = 15
29 + 7 = 36
15 + 36 = 51
It will take 7 years.
Answer: 112.5%
Step-by-step explanation:
Divide 9 by 8 and convert to a percentage.
