exam
Maths Puzzle
Numerical Ability
A builder of tract homes reduced the price of a model by 15%. If the new price is $125,000, what was its original price? How much can be saved by purchasing the model?
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exam Other Question
The monthly revenue of a certain company is given by R=800p-7p squared, where p is the price in dollars of the product the company manufactures. At what price will the revenue be
Here is my problem -4/9 < 2/3 c
when i do this problem i get c<-2/3
when i put this problem in a solver
it seems the fraction is switched to c<-3/2
why?