Action movies make up 85% of devon's movie collection. if he has 20 movies, how many action movies are in devon's collection?

Method 1

We can find the number of Devon's movie collection by multiplying its percentage by the number of Action movies. That is;

Number of Devon's movie collection

Method 2

We can also use ratio and proportion. According to the question, out of every 100 Action movies 85 are Devon's Movie collection. This means,

Action movies                                        Devon's collection                  

100                                                                         85

20                                                                            

If 100 corresponds to 85, then 20 will correspond to a less value than 85. If less more divides,Hence,

.

Therefore he has 17 movies that are in Devon's collection.

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step-by-step explanation:

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the answer is 200

step-by-step explanation:

the way the question is worded, it seems to imply the $264 interest is simple interest, not compound interest.

the simple interest for 2 years is $264; the simple interest for 1 year is $132.

$132 interest on a $600 investment means an interest rate of (132/600)*100 = 22%.

the value of $200 at 22% interest compounded annually for three years is

200%281.22%29%5e3

the amount of interest is that value, minus the original $200.