Question

a student records how much money they save over time:
weeks money saved ($)
1 12
3 36
5 62
is the relationship proportional?
yes
no

Explanation:

Step1: Calculate the ratio for each pair

For week 1: $\frac{12}{1}=12$
For week 3: $\frac{36}{3}=12$
For week 5: $\frac{62}{5}=12.4$

Answer:

No