MATH SOLVE

4 months ago

Q:
# Haley and nicole stopped at the school bookstore for extra supplies. Haley bought 8 pencils and 3 folders and spent 10.39.Nicloe bought 5 pencils and 4 folders and spent 10.51. How much does a floder cost

Accepted Solution

A:

Answer:The answer to your question is: a folder cost $1.92Step-by-step explanation:Haley bought 8 pencils and 3 folders spent 10.39Nicole bought 5 pencils and 4 folders spent 10.51 Folder = ?pencil = xfolder = yEquations 8x + 3 y = 10.39 (1) 5x + 4 y = 10.51 (2)Solve these equations 4 ( 8x + 3 y = 10.39 ) 32x + 12 y = 41.46 -3 ( 5x + 4 y = 10.51) -15x - 12y =-31.53 17 x 0 = 9.93 x = 9.93 / 17 x = 0.58 pencil 8(0.58) + 3y = 10.39 4.64 + 3y = 10.39 3y = 10.39 - 4.64 3y = 5.75 y = 5.75 / 3 y = 1.92 folder