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monitta
3 years ago
9

At a gas station, it takes 14 seconds to pump 2 gallons of gas. if the amount of gasoline pumped varies directly with time, how

long does it take to fill an empty 12-gallon tank
1. 84 seconds
2. 90 seconds
3. 70 seconds
4. 28 seconds
Mathematics
2 answers:
EleoNora [17]3 years ago
7 0

Answer:

See below:

Step-by-step explanation:

If we do this, we know that 2 gallons takes 14 seconds. (2:14)

Based on that data, we can know that 1 gallon takes 7 seconds. (1:7)

-> 2/14 = 1/7

Now we can multiply by 12 to get 12 gallons on one side.

What we do on one side has to happen to the other side.

So, 12 gallons * 1 gallons = 12 gallons and 12 gallons * 7 gallons = 84 gallons.

So the final answer is 85 gallons,

Nuetrik [128]3 years ago
3 0
If it takes 14 seconds to pump 2 gallons then it takes 14/2=7 seconds to pump 1 gallon, so it takes 7*12=84 seconds to pump 12 gallons. So the answer is 1.
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3 years ago
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Let x be a positive integer. If (-3)ºx (-3)* = (-3)14,<br> what is x?
Nezavi [6.7K]

Answer:

-3^{\circ \:}x\left(-3\right)=\left(-3\right)\cdot \:14 : x = \frac{840}{180^{\circ \:}}

Decimal Form:

x = -267.38030...

Step-by-step explanation:

-3^{\circ \:}x\left(-3\right)=\left(-3\right)\cdot \:14

Remove Parentheses: (-a) = -a

-3^{\circ \:}x\left(-3\right)=-3\cdot \:14

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Hope I helped. If so, may I get brainliest and a thanks?

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