contestada

A house is purchased in 1990 and sold in 2002 for a profit of $45 000. If the ratio of cost price to profit is 21:5, find:

A) the cost price

B) the selling price


C) the ratio of cost price to selling price

Respuesta :

mythicalx
A= We place the profit, 45000 under the 5, since they are both profits.
21 : 5          
      45000.  
Then we cross multiply, We multiply 45000 by 21 and wwe divide it with the 5. [tex] \frac{21 multiply 45000}{5}[/tex] 
And you will get the answer $189000