Problema Solution
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play a musical instrument?
Answer provided by our tutors
let 'x' represent the number of girls who play soccer, have a cell phone, own a tablet computer, and play a musical instrument
85 - x + 70 - x + 75 - x + 80 - x + x = 100
by solving we find:
x = 70 girls
click here to see the step by step solution of the equation:
70 girls out of 100 play soccer, have a cell phone, own a tablet computer, and play a musical instrument.