Answer:
The price of 9 jars of peanut butter is $36
Step-by-step explanation:
see the attached figure to better understand the problem
Looking at the double number line we have that
For 4 jars of peanut butter the price is $16
so
using proportion
Find out the price of 9 jars of peanut butter
Let
x ----> the price of 9 jars of peanut butter
[tex]\frac{16}{4}\frac{\$}{jars}=\frac{x}{9}\frac{\$}{jars}\\\\x=16(9)/4\\\\x=\$36[/tex]
therefore
The price of 9 jars of peanut butter is $36