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Dmitrij [34]
3 years ago
8

A friend lends you $360 which you agree to repay with 3% interest. How much will you have to repay?

Mathematics
1 answer:
Kazeer [188]3 years ago
4 0

Answer:

I think u would have to repay 120....

Step-by-step explanation:

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Jan spends part of her year as a member of a gym. She then finds a better deal at another gym, so she cancels her membership wit
valkas [14]

She spent 8 months in the 1st gym and 4 months in the 2nd gym

Step-by-step explanation:

Jan spends part of her year as a member of a gym.

  • She then finds a better deal at another gym so she cancels her membership with the first gym after x months
  • She spends the rest of the year, y months, with the second gym
  • The membership to the first gym costs $75 per month, while the membership for the second gym costs $45 per month
  • She ended up spending a total of $780 over the course of the year

We need to find how much time she spent at each gym

∵ She spent x months in the 1st gym

∵ She spent y months in the 2nd gym

∵ Her course is a year

- There are 12 months in a year

∴ x + y = 12 ⇒ (1)

∵ The membership to the first gym costs $75 per month

∵ The membership to the second gym costs $45 per month

∵ She ended up spending a total of $780 over the course

∴ 75x + 45y = 780 ⇒ (2)

Now we have a system of equations to solve it

Multiply equation (1) by -45 to eliminate y

∵ -45x - 45y = -540 ⇒ (3)

- Add equations (2) and (3)

∴ 30x = 240

- Divide both sides by 30

∴ x = 8

- Substitute the value of x in equation (1) to find y

∵ 8 + y = 12

- Subtract 8 from both sides

∴ y = 4

She spent 8 months in the 1st gym and 4 months in the 2nd gym

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

4 0
3 years ago
What value represents the horizontal translation from the graph of the parent function f(x) = x2 to the graph of the function
g100num [7]
The -4  represents  a horizontal translation of 4 units to the right
4 0
3 years ago
Read 2 more answers
I purchased 6 bags of birdseed every bag weighed 1/4 pound how many pounds did i purchase
inessss [21]

Answer:

1 1/2 lbs

Step-by-step explanation:

7 0
3 years ago
Solve for x. 4x − 33=7
tatuchka [14]

Note the equal sign. What you do to one side, you do to the other.

Do the opposite of PEMDAS. First, add 33 to both sides

4x - 33 (+33) = 7 (+33)

4x = 40

Next, divide by 4

4x/4 = 40/4

x = 40/4

x = 10

10 is your answer

hope this helps

5 0
3 years ago
Read 2 more answers
Which of the following expressions is a polynomial?
miskamm [114]

Answer:

d is the answer i believe

Step-by-step explanation:

8 0
3 years ago
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