SOLUTION: A plate of rice cost 3 times as much as a plate of beans. Given that the total cost of a plate of rice and 3 plates of beans is #900. Find the cost of a plate of rice.

Algebra ->  Human-and-algebraic-language -> SOLUTION: A plate of rice cost 3 times as much as a plate of beans. Given that the total cost of a plate of rice and 3 plates of beans is #900. Find the cost of a plate of rice.      Log On


   

Question 976532: A plate of rice cost 3 times as much as a plate of beans. Given that the total cost of a plate of rice and 3 plates of beans is #900. Find the cost of a plate of rice.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
R=3B
.
.
.
R%2B3B=900
Substituting,
R%2BR=900
2R=900
R=450
Then,
3B=450
B=150
A plate of rice is 450 and a plate of beans is 150.