at the beginning of the year, adrians savings account balance was $28. each week, he deposits another $15…

at the beginning of the year, adrians savings account balance was $28. each week, he deposits another $15 into that account, and he doesnt spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year? choose 1 answer: a yes b no

at the beginning of the year, adrians savings account balance was $28. each week, he deposits another $15 into that account, and he doesnt spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year? choose 1 answer: a yes b no

Answer

Explanation:

Step1: Define variables

Let $x$ be the number of weeks and $y$ be the savings - account balance. The initial balance is $28$ and the weekly deposit is $15$. So the equation for the balance is $y = 15x+28$.

Step2: Check the proportional - relationship condition

For two variables $y$ and $x$ to be proportional, the equation must be in the form $y = kx$ (where $k$ is a non - zero constant), meaning when $x = 0$, $y=0$. When $x = 0$, $y=28$ (from $y = 15x + 28$), not $0$.

Answer:

B. No