If a certain number is increased by 5, one - half of the result is three - fifths of the excess of 61 over the number. Find the
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Answer:
6.125 minutes per song
Step-by-step explanation:
Unit rates are based on a single unit of something. Like price per 1 gallon of gas; price for 1 pound of bananas; miles driven per 1 gallon of gas, etc. What we are looking for in minutes per song.
Use a proportion to solve this with minutes on top and number of songs on the bottom. We know that 49 minutes = 8 songs, and we want to know how many minutes (x) per 1 song:
Cross multiply to get
8x = 49 so
x = 6.125 minutes per song