SOLUTION: 8 oranges cost as much as 5 apples, 5 apples as much as 3 mangoes, 4 mangoes as much as 8 pineapples. If 3 pineapples cost Rs. 36, then an orange�s cost is:

Algebra ->  Inverses -> SOLUTION: 8 oranges cost as much as 5 apples, 5 apples as much as 3 mangoes, 4 mangoes as much as 8 pineapples. If 3 pineapples cost Rs. 36, then an orange�s cost is:      Log On


   



Question 941831: 8 oranges cost as much as 5 apples, 5 apples as much as 3 mangoes, 4 mangoes as much as 8 pineapples. If 3 pineapples cost Rs. 36, then an orange�s cost is:
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
oranges = o, apples = a, mangoes = m, pineapples = p

8o = 5a
5a = 3m
4m = 8p
3p = 36

Simplify: 24o=15a=12m=24p=36%2A8+=+288
The cost of an orange is the same of the cost of a pineapple, which is Rs. 12.