SOLUTION: A plum and a pineapple cost the same as three peaches. Two plums cost the same as a peach. How many plums cost the same as a pineapple?
Algebra ->
Real-numbers
-> SOLUTION: A plum and a pineapple cost the same as three peaches. Two plums cost the same as a peach. How many plums cost the same as a pineapple?
Log On
Question 174622: A plum and a pineapple cost the same as three peaches. Two plums cost the same as a peach. How many plums cost the same as a pineapple? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A plum and a pineapple cost the same as three peaches. Two plums cost the same as a peach. How many plums cost the same as a pineapple?
--------------------
plum + pine = 3*peach
2*plum = peach
------------------
Substitute to get:
plum + pine = 3*2plum
plum + pine = 6plum
pine = 5*plums
==================
Cheers,
Stan H.