deshawn and alberto each improved their yards by planting rose bushes and ivy . They bought their supplies from the same store. Deshawn spent $32 dollars on 3 rose bushes and 7 pots of ivy. Alberto spent $30 on 4 rose bushes and 3 pots of ivy. Find the cost of one rose bush and the cost of one pot of ivy.

Question

anonymous · Answer

32=3r+7i
30=4r+3i

anonymous · Answer

now set one part of the two equations equal i would recommend multiplying both equations.

anonymous · Answer

(32=3r+7i)4
(30=4r+3i)3

anonymous · Answer

(128=12r+28i)
(90=12r+9i)

anonymous · Answer

(128=12r+28i)
-(90=12r+9i)
38=19i

anonymous · Answer

solve for i

anonymous · Answer

then plug i into one of the original equation and solve for the other variable.

anonymous · Answer

What about the rose bushes

anonymous · Answer

i'm not solving the problem for you.

anonymous · Answer

Well can you at least give me the numbers

anonymous · Answer

i practically spelled one of the answers for you.

anonymous · Answer

Well can you help me with the roses than

anonymous · Answer

i did...  then plug i into one of the original equation and solve for the other variable.

anonymous · Answer

the other variable being r

anonymous · Answer

yeah

anonymous · Answer

let me know when you get the answer and i'll check it for you.