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Novosadov [1.4K]
3 years ago
15

In 1992, Jason bought a gallon of gas for $1.20. Yesterday, he bought a gallon of gas for $2.13. What is the percentage increase

of the price of a gallon of gas from 1992 to yesterday? If necessary, round to the nearest tenth of a percent.
A.
56.3%
B.
77.5%
C.
22.5%
Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0
B. 77.5 i think is the answer, I’m not sure
mojhsa [17]3 years ago
6 0

Answer: Answer is B

Step-by-step explanation:

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POSSIBLE POINTS: 2
serious [3.7K]

Answer:  max capacity is 1625 gallons.

Diagram is shown below.

=========================================================

Explanation:

We'll draw two horizontal number lines to help make a comparison or connection between percentages and tank capacity.

For the top number line, make 5 sections with the labels: 0%, 20%, 40%, 60%, 100%. The reason I'm picking 5 is because 40% = 40/100 = 2/5. So having 40% capacity means we're 2/5 full. That denominator 5 tells us how to subdivide each number line.

The bottom number line will also have 5 sections. We only know one label for this bottom portion right now. That label is 650. Place this directly under the "40%". This visually is one way to represent that 650 gallons is 40% filled. See the diagram below.

Cut the 650 in half to get 325. This corresponds to 40% cut in half to get 20%. Therefore, 325 will go under the 20%. Being 20% full means we have 325 gallons of water.

To figure out the 60% portion, we will multiply 325 by 3. This is because 3*20% = 60%, so 3*325 = 975. We'll write "975 gallons" under the "60%"

Then we have 1300 gallons under the 80% since 4*325 = 1300. Note how 4*20% = 80%, so that's where the '4' multiplier comes from.

Finally, we multiply 325 by 5 to get 1625 and that represents the full tank's capacity. Technically we could have just jumped to this directly without having to find the 60% or 80% capacity values, but it's good practice I think.

Again the diagram is shown below. The answer we're after is at the very bottom right corner. It's under the 100% to indicate the tank is completely full, or has reached max capacity.

-----------------------

Here's a way to find the answer without a double number line. This method involves setting up a proportion.

(40% full)/(650 gallons) = (100% full)/(x gallons)

40/650 = 100/x

40x = 650*100

40x = 65000

x = 65000/40

x = 1625

We confirm that the tank's max capacity is 1625 gallons.

4 0
2 years ago
PLEASE HELP WILL MARK BRAINLIEST
inn [45]

Answer:

First one: Rotation

Second one: Translation

Third one: Reflection

Fourth one: Translation

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
in a football game, a touchdown with an extra point is worth 7 points and a field goal is worth 3 points. Suppose that in a game
Leokris [45]

1 and 2 are less then 3

4=3+1 but you cant get 1 from 7 or 3 so 4 is impossible. So is 5, 6, 8, and 20.

Bolded numbers are answers.

5 0
3 years ago
Read 2 more answers
Please help solve this with working out :)
Anastaziya [24]
I hope this can help u

3 0
3 years ago
a snail moves at a speed of 2.394 inches per minute. if the snail keeps moving at this rate about how many inches will it travel
igor_vitrenko [27]

Answer:

17.928666

Step-by-step explanation:

2.394*7.489

3 0
3 years ago
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