Ratio question – looking for HOW to solve, thanks.?
A company sells batteries ($3) and small boxes of pens ($5). Last month, total sales were $960. Customers bought 5 times as many batteries as boxes of pens. How many of each did the company sell last month?
Favorite Answer
Also stated in the question is that there are 5 times as many Bs as Ps (bought 5 times as many batterys as pens). So that becomes P=5B.
Now, you plug in random numbers untill you get it right.
For example, P=1. Therefore, B=5. 15+5 does not equal 960, so you know that P has to be bigger. If you plug in 100 for P, B has to be 500. 1500+300 also does not equal 960. You just keep putting in numbers that are inbetween the high and low that you’ve already determined untill you get it right.
There’s probably an easier, smarter way, but this has always worked for me.
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