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3 years ago

What fraction is equal to 70%?

Mathematics

2 answers:

fomenos3 years ago

8 0

Answer:

7/10

Step-by-step explanation:

Percent means out of 100

70% = 70/100

Divide the top and bottom by 10

7/10

Nastasia [14]3 years ago

8 0

Answer:

70/100 ; 7/10

Step-by-step explanation:

Move the decimal point to the left two place values to find the decimal. Then, move the decimal point to the right two place values & set over 100 to find the fraction.

70% = 0.70 = 70/100

70/100 is your answer.

If you need to simplify your fraction, divide common factors from both the numerator & denominator. Divide 10 from both in this case.

(70/100)(10/10) = 7/10

7/10 is your reduced answer.

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vaieri [72.5K]

Answer:

y = -1.2x + 30

x = 22

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Step-by-step explanation:

Initially, Devin has $30. Then every time he rides the bus, $1.20 is taken away: y = 30 - 1.2x

Therefore, in slope-intercept form: y = -1.2x + 30

If he has $3.60 on his card, then y = 3.60, so substitute this into the above equation and solve for x:

3.60 = -1.2x + 30

subtract 30 from both sides: -26.4 = -1.2x

divide both sides by -1.2: 22 = x

Therefore Devin has ridden the bus 22 times if he has $3.60 on his card.

Rebecca: y = -1.4x + 33

To determine how many rides on the bus Devin and Rebecca would need to take to have the same amount of value of their bus card, simply equate the equations and solve for x:

Rebecca = Devin

y = y

-1.4x + 33 = 30 - 1.2x

subtract 33 from both sides: -1.4x = -3 - 1.2x

Add 1.2x to both sides: -0.2x = -3

Divide both sides by -0.2: x = 15

Therefore, Devin and Rebecca would both have to take 15 rides on the bus to have the same amount of value of their bus card.

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2 years ago

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Lelechka [254]

Answer:

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