Problem:
Berto has $12 to put gas in his car. If gas costs $3.75
per gallon, which ordered pair on the graph of the line relating number of
gallons of gas, x, to the total cost of the gas, y, includes the greatest
amount of gas Berto can buy?
Answer/ Solution:
Given:
$ 12 – Berto’s money
$3.75- gas cost/ gallon
Asked:
Which ordered pair on the graph of the line relating
number of gallons of gas, x, to the total cost of the gas, y, includes the
greatest amount of gas Berto can buy.
(x , y)
x=?
y= 12
x= 12/ 3.75
= 3.2
X= 3.2
