Minnie is making a playlist of songs for a party she will be throwing. She wants the playlist to be an hour long. She has added 16 three-minute songs to the playlist. How many four-minute songs does she have to add to make sure the playlist is an hour long?
An hour is equal to 60 minutes.
Minnie has 16 * 3 = <<16*3=48>>48 minutes of songs already on the playlist.
She has to fill 60 - 48 = <<60-48=12>>12 more minutes.
Thus, she needs to add 12 / 4 = <<12/4=3>>3 four-minute songs.
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Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
You are solving math problems. Here are some examples of how to solve the task:

The big bottles of mango juice hold 30 ounces and cost 2700 pesetas each. The small bottles hold 6 ounces and cost 600 pesetas each. How many pesetas would be saved by buying a big bottle instead of smaller bottles for the same volume of juice?The equivalent is 30/6=<<30/6=5>>5 small bottles.
Five small bottles at 600 pesetas each is 5*600=<<5*600=3000>>3000 pesetas.
The savings is 3000-2700=<<3000-2700=300>>300.
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Helen cuts her lawn starting in March and finishes in October.  Her lawn mower uses 2 gallons of gas every 4th time she cuts her lawn.  For March, April, September and October, she only cuts her law 2 times per month.  In May, June, July and August, she has to cut her lawn 4 times per month.  How many gallons of gas will she need to cut her lawn from March through October?For March, April, September and October, she cuts her lawn 2 a month. There are 4 months so she cuts her yard 2*4 = <<2*4=8>>8 times
For May, June, July and August, she cuts her lawn 4 times a month. There are 4 months so she cuts her yard 4*4 = <<4*4=16>>16 times
During the entire 8 month period, she cuts her lawn 8+16 = <<8+16=24>>24 times
Every 4th time she cuts, she needs 2 gallons of gas. If she cuts her lawn 24 times a year then she needs to fill up 24/4 = 6 times
Each time she fills up, it takes 2 gallons of gas so 2*6 = <<2*6=12>>12 gallons of gas per year
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Now, solve this next question in the style of the above examples:

Minnie is making a playlist of songs for a party she will be throwing. She wants the playlist to be an hour long. She has added 16 three-minute songs to the playlist. How many four-minute songs does she have to add to make sure the playlist is an hour long?

### Response:
An hour is equal to 60 minutes.
Minnie has 16 * 3 = <<16*3=48>>48 minutes of songs already on the playlist.
She has to fill 60 - 48 = <<60-48=12>>12 more minutes.
Thus, she needs to add 12 / 4 = <<12/4=3>>3 four-minute songs.
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