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Dafna1 [17]
3 years ago
8

Mary and Jerry are exercising on a track. ?Mary is walking at the rate of 3 miles per hour. Jerry starts jogging at a rate of 4

miles per hour after Mary has been walking for 15 minutes. Jerry jogs 2 miles as Mary continues walking, and they both stop at the same time. Enter the total distance, in miles, that Mary walks around the track.
Mathematics
1 answer:
irakobra [83]3 years ago
6 0

Answer:

.75 + 1.5 = 2.25 mi or 2 1/4mi

Step-by-step explanation:

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How many digits are there in the smallest sequence of repeating digits in the decimal equivalent.
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the answer is 4

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Sam needs at least 78 credits to get his college degree. At the end of his third year, Sam has a total of 52 credits. Which ineq
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The drama club sold bags of candy and cookies to raise money for the spring show. Bags of candy cost $5.50 and bags of cookies c
vaieri [72.5K]

Let's assume

the number of bags of candy =x

the number of bags of cookies =y

There were 5 more bags of cookies sold than candy

so, we get

y=x+5

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=5.50x

bags of cookies cost $3.50

so, total cost of cookies is

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so,

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we get

total cost =5.50x+3.50y

so, we can plug

5.50x+3.50y=53.50

now, we can plug y

5.50x+3.50(x+5)=53.50

5.5x\cdot \:10+3.5\left(x+5\right)\cdot \:10=53.5\cdot \:10

55x+35\left(x+5\right)=535

55x+35x+175=535

90x+175=535

90x+175-175=535-175

90x=360

x=4

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5 0
3 years ago
4-63
Savatey [412]

Answer:

$36.88

Step-by-step explanation:

4 inch cost $2.95

50 inch cost 2.95*50 / 4 = $36.875 = $36.88

3 0
3 years ago
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