It should be the number 55. <span> ❤</span>please mark me as brainliest ❤
Answer:
The answer is Ari, Beth, Cindy
Explanation
Ari
- 2¾ miles is 2.75 miles
- speed of 2½ miles per hour is 2.5 mi/h
DISTANCE = SPEED × TIME
t = d/s
= 2.75/2.5
= 1.1hr
= 66mins
Beth
- 1¾ miles is 1.75 miles
- speed of 1¼ miles per hour is 1.25 mi/h
t = d/s
= 1.75/1.25
=1.4hr
=84mins
Cindy
(Correct me if i am wrong)
Answer:
19/42
Step-by-step explanation:
multiply each fraction by the opposite denominator to get the same denominator for both 12+7=19 &6×7=42
2|x-3|+1=7
2|x-3|=6
|x-3|=3
x-3 = 3 or x-3 = -3
x=0 or 6