25% of what number is 30.2? i need help solving.

Mathematics

2 answers:

aleksandr82 [10.1K]4 years ago

8 0

120.8. Make a proportion. 25/100 equals 30.2 over x, the number. Now cross multiply. 100 times 30.2 divided by 25, so it is 120.8.

Another way to reason this is to see that 25 percent is one fourth, so just do 30.2 times 4

Verdich [7]4 years ago

4 0

Answer:

Step-by-step explanation:

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How much must be deposited into an account that pays 12.2% annual interest compounded quarterly to receive $13,422 after 5 years

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Answer:

$7,359.65

Step-by-step explanation:

The computation of the amount that to be deposited is shown below:

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4. A local DVD rental machine rents

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<u>Solution:</u>

Given that, A local DVD rental machine rents movies out to customers for $5.75 per movie.

A digital movie company allows you to rent movies for $3.25 but requires a membership fee of $40.

We have to find how many movie rentals will it take for both options to be the same price?

Now, let the number of movies rented be "n"

Then, according to the given information,

$\begin{array}{l}{5.75 \times n=3.25 \times n+40} \\\\ {5.75 n=3.25 n+40} \\\\ {5.75 n-3.25 n=40} \\\\ {2.50 n=40} \\\\ {n=\frac{40}{2.5}=16}\end{array}$