SOLUTION: solution of a rectangular birthday cake has a length twice its breath. it is surrounded by a ribbon all over its four sides covering an area of 1440 cm sq. if the cake is 10cm high

Algebra ->  Volume -> SOLUTION: solution of a rectangular birthday cake has a length twice its breath. it is surrounded by a ribbon all over its four sides covering an area of 1440 cm sq. if the cake is 10cm high      Log On


   

Question 1024489: solution of a rectangular birthday cake has a length twice its breath. it is surrounded by a ribbon all over its four sides covering an area of 1440 cm sq. if the cake is 10cm high, find its volume
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Flat base dimensions x and y;
system%28x=2y%2C2x%2B2y=1440%29

2y%2B2y=720
4y=720
y=18-----------x=36

volume is xy%2A10.