The water level in a plastic pool changed by -8gallons each hour due to a small hole in the bottom. After 6 hours, the pool cont
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First cross out the -6 and -36. Six will go into 6 one time and 6 will go into -36 six times so we have the following after crossing out.
Next cross out the x / x^2 which will give us the following:
Now cross out the y^2 / y^3
All that is left is to cross out the z^5 / z^4 and we are done.