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HACTEHA [7]
2 years ago
9

You are going on a road trip over a distance of 3000 kilometers with three friends. The car consumes 66 liters of gas per 100 ki

lometers and gas costs $1.20 per liter.
If you want to split the cost of gas evenly between the four of you, how much should each of you chip in?
Mathematics
1 answer:
Nitella [24]2 years ago
3 0

Answer:

Each person should chip in $0.83

Step-by-step explanation:

Total cost =3000km(66/100)(1.20/L)

                   =45.46 × 1.20

                     =$54.55

Cost per person = ($54.55/66)

                            =$0.83 person

Each person should chip in $0.83


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A bag contains 150 marbles. Some are blue, and the rest are white. There are 21 blue marbles for every 4 white marbles. How many
Olin [163]

Given:

Total number of marbles in the bag = 150

There are 21 blue marbles for every 4 white marbles.

To find:

The number of blue marbles in the bag.

Solution:

Since, there are 21 blue marbles for every 4 white marbles, therefore the ratio of blue marble to white marbles is 21:4.

Let the number of blue marbles be 21x and white marbles be 4x.

Total number of marbles in the bag = 150

21x+4x=150

25x=150

Divide both sides by 25.

x=\dfrac{150}{25}

x=6

Now,

\text{Blue marbles}=21x

\text{Blue marbles}=21(6)

\text{Blue marbles}=126

Therefore, the number of blue marbles is 126.

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2 years ago
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weqwewe [10]

Answer:

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Step-by-step explanation:

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5/2x-3/4x=14+7

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7/4x=21

7x=84

x=12

3 0
3 years ago
5 peas equals 1 pod. 4 pods equals 1/2 ping. 3 pings equals how many peas? Please give me the full explanation so I can know for
salantis [7]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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