2 Answered Questions for the topic Finding LCD's And X's

Finding Lcd's And X's

03/07/18

Brandon can clean a garage in 4 hours. Ashley can clean a garage in 3hours. How long will it take to cleanse the garage if they work together?

I need to know how long it will take if they work together and the formula you used to find the answer  
Finding Lcd's And X's

07/14/17

How do they get 59 over 216 or .27% out of the answer 23=216x-36?

I started with the equation of 7/4x +1/6x= 18-3/x which I worked out and followed along with the steps to get to this answer(23=216x-36 which then also equals 59/216! But there's no step work... more

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