# Math

The sum of two counting numbers is 243. Half of one number is four times the other
number. What are the numbers?

121.1+122.2=243.2

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3. 👁 129
1. what's all this 121, 122 junk? Guessing?

If the numbers are x and y, just write down what they told you:

x+y = 243
x/2 = 4y
so, x=8y and we have

8y+y=243
9y=243
y=27
so, x=216

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2. 👎 0
posted by Steve
2. x+y=243 1/2x=4y x=8y 8y+y=243 9y=243 y=27 x+27=243 x=216

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posted by jaykim

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