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AlekseyPX
3 years ago
11

A Freight train is traveling 30 miles per hour. An automobile starts out from the same place 1 hour later and overtakes the trai

n in 3 hours. What was the rate of the automobile.
Mathematics
1 answer:
Mazyrski [523]3 years ago
5 0
40 I believe because the space of the auto mobile catching up to the train is 4 hours. 4 times 30 is 120 miles so u need to figure out a number that can reach 120 in three hours. 3 times 40 is 120
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Answer:

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Step-by-step explanation:

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Read 2 more answers
Oh freight elevator can hold a maximum weight of 3500 pounds and delivery man weighs 200 pounds is delivering curtains that each
mario62 [17]

Answer:

200+48n\leq 3500

n\leq 66.7

Step-by-step explanation:

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Let the number of cartons he can safely put on the elevator at one time=n

Total weight of Carton=48n

Since the weight of the man and the cartons combined must not be more than 3500 pounds,

Therefore,an inequality that represents the situation is:

200+48n\leq 3500

We can solve for n if required

200-200+48n\leq 3500-200\\48n\leq 3200\\\text{Divide both sides by 48}\\n\leq66.7

The delivery man can safely carry 66 Cartons.

4 0
3 years ago
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shutvik [7]

Answer:

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Step-by-step explanation:

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3 years ago
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