Why are we making them whole numbers? Can't we just keep them in their decimal form? http://prntscr.com/8kjwr5

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Why are we making them whole numbers? Can't we just keep them in their decimal form? http://prntscr.com/8kjwr5

Mathematics
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Yes, we can keep them as decimals. But as is with fractions, likewise, no one really likes decimals. :) Whole numbers are easier to work with.
So, if I had 8.5y + 5.3x = 2,300 I could just solve like normal with the decimals. If I wanted to solve for x, I could say 2,300 - 5.3x = 8.5y Where would fractions even come in with?
Example:\[\large\rm \frac{4}{3}x+\frac{2}{21}y=10\]Hmm the fractions are annoying, I would probably choose to multiply both sides by 21 here.\[\large\rm 4\cdot7x+2y=10\cdot21\]Which is just a little easier to work with. \[\large\rm 28x+2y=210\]Especially if you're given a system, and you're going to use the elimination method.

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Other answers:

If you have a `system of equations`, it's a lot more difficult to "cancel out" one of the variables if it's a decimal value. If I have 8y and y, I know that by multiplying the first equation by 8 will match the y's up. If Instead I have y and .08y, It means I have to multiply every number in the first equation by .08 to match them up, which is kind of a hassle.
Understandable. I'd rather just work with the fractions. The lingo mingo making thingos a whole numbero just seems a lot of hassle and out of my way-o. Thanks man

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