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elena-14-01-66 [18.8K]
3 years ago
8

It takes Carl 45 minutes to drive to work using two roads. She drives 32 mph on a small road for 1/2 hour. Then she drives 56 mp

h on a small road for 1/4 hour. How far does she travel for work?
Mathematics
1 answer:
Ksivusya [100]3 years ago
3 0

Answer:

The Total distance she travel fro work is 30 miles  .

Step-by-step explanation:

Given as :

the total time taken to cover distance = 45 minutes

Let The total distance cover = D miles

The distance cover at the speed of 32 mph = D_1 miles

The time taken to cover D_1 miles distance = \frac{1}{2} hour

Distance = Speed × Time

∴  D_1 = 32 mph  ×  \frac{1}{2} h

or, D_1 = 16 miles

Again ,

The distance cover at the speed of 56 mph = D_2 miles

The time taken to cover D_2 miles distance =  \frac{1}{4} hour

∴  D_2 = 56 mph  ×  \frac{1}{4} h

or, D_2 = 14 miles

So , The total distance she travel for work =  D_1  +  D_2

Or, The total distance she travel for work = 16 miles + 14 miles = 30 miles

Hence The Total distance she travel fro work is 30 miles  . Answer

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Answer:

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1. 14 \frac{4}{7}

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4. 5 \frac{8}{11}

Step-by-step explanation:

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4. First I changed the fractions into improper fractions causing the fraction to look like 36/8 x 14/11 (I got these answers by 8 by 4 then adding 4, then for the next fraction I multiplied 11 by 1 then added 3.) 36 x 14= 1224, 11 x 8= 88 the fraction would look like 1,224/88 you would simplify to 5 \frac{8}{11}

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