Problema Solution
Christine went shopping and bought each of her seven nephews a gift, either a video costing $14.95 or a CD costing $16.88. She spent $106.58 on the gifts. How many videos and how many CDs did she buy
Answer provided by our tutors
Let
x = the number of videos bought
y = the number of CDs bought
x + y = 7
14.95x + 16.88y = 106.58
........
click here to see the system of equations solved for x and y
........
x = 6 videos
y = 1 CD
Christine bought 6 videos and 1 CD.