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Vika [28.1K]
3 years ago
8

Frankie is on a long car trip. Every time she stops to buy gas, she loses 15 minutes of travel time. If she has to stop 6 times,

how late will she be getting to her destination?
Plz be specific, thank you
Mathematics
2 answers:
IrinaVladis [17]3 years ago
6 0
15x6=90

90 minutes or 1hr 30
pychu [463]3 years ago
5 0

Answer: She will loose 75 min. (1 hour and 15 minutes)

Step-by-step explanation:

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Let's do it this way: let x represent the amount remaining in bag 1. Then the amount removed from bag 1 is (100-x). The amount remaining in bag 2 is 2x, so the amount removed from that bag is (100-2x). The problem statement tells us the relationship between amounts removed:

... (100 -x) = 3(100 -2x)

... 100 -x -3(100 -2x) = 0 . . . . . . subtract the right side

... 5x -200 = 0 . . . . . . . . . . . . . . eliminate parentheses and collect terms

... x -40 = 0 . . . . . . . . . . . . . . . . .divide by 5

... x = 40 . . . . . . . . . . . . . . . . . . . add 40

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<u>Check</u>

The amount removed from the first bag is 60 kg. The amount removed from the second is 20 kg. The amount removed from the first bag is 3 times the amount removed from the second bag, as described.


4 0
3 years ago
Beth writes a number that shows 60 parts out of 100
dangina [55]

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4 0
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Oduvanchick [21]

Answer:

The equation is: \frac{x-7}{5} = 13 and the number is 72.

Step-by-step explanation:

We have to use mathematical notation to convert the given statement into an equation. As we don't know the exact value of number, we have to use a variable in place of the number.

Let x be the required number then

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For solving, multiplying both sides of equation by "5"

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Hence,

The equation is: \frac{x-7}{5} = 13 and the number is 72.

4 0
3 years ago
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kherson [118]
4.5£

Exp:
18(.25) = 4.5

To convert % to decimal, always move the decimal 2 places to the left.
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8 0
2 years ago
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