SOLUTION: 20 pears cost as much as 30 orange .the total cost of 60 pears and 90 orange is Rs 1080 .find the total cost of 15 pears and 18 oranges

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: 20 pears cost as much as 30 orange .the total cost of 60 pears and 90 orange is Rs 1080 .find the total cost of 15 pears and 18 oranges       Log On


   

Question 1039724: 20 pears cost as much as 30 orange .the total cost of 60 pears and 90 orange is Rs 1080 .find the total cost of 15 pears and 18 oranges
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
20:30 = 2:3
1080/3=360 for 20 pears and 30 oranges
20 pears=180=9/pear
30 oranges=180=6/orange
15 pears x 9=135
18 oranges x 6=108
135+108=Rs. 243 for 15 pears and 18 oranges!!!!!!!!!!!!!!!!