Problema Solution
Sari has 3 times as many pencil erasers as Sam. Together, they have 28 erasers. How many erasers does Sari have?
Answer provided by our tutors
Let 'x' represent the number of erasers that Sari has and 'y' the number of erasers that Sam has.
x + y = 28
x = 3y
........
click here to see the system of equations solved for x and y
........
x = 21 erasers
y = 7 erasers
Sari has 21 erasers.