4. Eliana, Manuel, and Charlize are collecting sponsors for a walk-a-thon. The equation y = 20x represents the amount of money Eliana raises for walking x miles. The table shows the relationship between the
number of miles Manuel walks and the amount of money he will raise. Charlize will earn $15 for each
mile that she walks.
a. In order to compare the proportional relationships, what quantities should you use to find the
unit rate?
b. Compare the amount of money raised per mile by the three people?
VIALK-A-THON WALK
SONSOR SHEET
NAME
Manuel Mar
MILES WALKED
3
5
7
9
MONEY RAISED
$45
$75
$105
$135