What is the math equation for: 

Ernie the Elf has made three more than half the amount of toys Al has.  Together they have made 45 toys.




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1 Answer

If A is the number of toys that Al has, then the number that Ernie has is A/2+3. When we add the number of toys altogether we get the equation A+A/2+3=45. From this we can find A: 3A/2+3=45, 3A/2=45-3=42, 3A=84 (double both sides of the equation), so A=84/3=28. Al has 28 toys so Ernie has 28/2+3=14+3=17 toys.

by Top Rated User (738k points)

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