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laiz [17]
3 years ago
13

Darnell's car used 8 gallons of gasoline to travel 340 miles. After a mechanic worked on the car, it used 7 gallons of gasoline

to travel 350 miles. If the price of gasoline was approximately $4.00 per gallon, how much less, to the nearest cent per mile, did it cost to run the car after the mechanic worked on it?
Please Show Work!!
Mathematics
1 answer:
krek1111 [17]3 years ago
3 0
8*4=32
7*4=28

340÷32=10.625
350÷28=12.5

12.5-10.625= 1.875
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Gala2k [10]

Answer:

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6 0
2 years ago
At Davis you can buy 12 pounds of M&M's for $12.24 or 8 pounds for $8.24 at Smith's. Which is the better buy
Law Incorporation [45]

Answer:

12 pounds

Explanation:

If you were to divide 12.24 from 12 you would get 1.02, which would be the cost of each pound.

Meanwhile, if you were to divide 8.24 from 8 you would get 1.03, which would be the cost of each pound.

So although its only a 1 cent difference and you are technically spending more by buying the 12 pounds, if it were to buy 8 pounds from the cost of each pound for the 12 pounds, you'd only be spending $8.16 vs $8.24.

Because you would multiply 1.02, which is the cost of each pound for 12, by 8 and you would get 8.16.

4 0
2 years ago
PLEASE HELP I WILL MARK
lys-0071 [83]

Answer: 37 pieces of candy

Step-by-step explanation:

24-8.50 is 15.50 she wants to save 6.25, so, 15.50-6.25 is 9.25. 9.25 divided by the cost of each candy (0.25) is 37

6 0
2 years ago
Really confused with this one it is related with similar triangles please help
Nonamiya [84]

Answer:

x=20

y=70/3 which is about 23.3

Step-by-step explanation:

Write a proportion of all similar sides

6 0
3 years ago
Someone please help me answer this!!
astra-53 [7]

Answer:

c = 53 miles

Step-by-step explanation:

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45^2 + 28^2 = c^2

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c  = 53

3 0
3 years ago
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