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daser333 [38]
3 years ago
5

Mrs.Rosso has to travel 390 miles on a highway. She drives 130 miles in 2 hours. If she has 7 hours to travel at that rate, will

she arrive at her destination on time?
A) Yes she will arrive 1 hour early
B) Yes she will arrive 4 hours early
C) No she will arrive 1 hour early
D) No she will arrive 4 hours late
Mathematics
2 answers:
kap26 [50]3 years ago
6 0
Find rate of mph:
390/(130/2)
find how long it takes to get home:
390/65
6 hours to get home
answer is A
Sauron [17]3 years ago
4 0

Answer:

The correct option is A.

Step-by-step explanation:

Total distance = 390 miles

It is given that she drives 130 miles in 2 hours.

Speed=\frac{distance}{time}

Speed=\frac{130}{2}=65

The speed is 65 miles per hour.

We need to find the time in which Mrs.Rosso covers 390 miles at the rate of 65 miles per hour.

Time=\frac{distance}{speed}

Time=\frac{390}{65}

Time=6

It means she can cover 390 miles in 6 hours. She have 7 hours. It means  she will arrive 1 hour early.

yes, she arrive at her destination on time.

Therefore the correct option is A.

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