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fnaflover8505
29.07.2019 •
Mathematics
Sam is walking to joe’s house at a rate of 2 miles per hour. joe left his house at the same time and is walking at a rate of 1.5 miles per hour. if sam and joe live 7 miles apart, how long will it take for sam and joe to meet?
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Ответ:
The time it takes for Sam and Joe to meet in hours= t
Joe's speed = 1.5miles/hour
Sam's speed = 2 miles/hour
Distance between Joe and Sam = 7 miles
When they meet Joe covers a distance of J miles and Sam covers S miles
Now,
J+S=7
J=1.5 miles/hour *t
S= 2 miles/hour * t
1.5t + 2t =7
3.5 t = 7
t=2 hours
It will take 2 hours for Sam and Joe to meet
Ответ:
3.5 and 9
Step-by-step explanation: