Question

1. you have $50 and spend $5 on bus fare each day. which equation fits?

a. $y = 5x - 50$
b. $y = 50 - 5x$
c. $y = 5 - 50x$
d. $y = -5 + 50x$

Explanation:

Step1: Define variables

Let $x$ = number of days, $y$ = remaining money.

Step2: Identify initial amount

Initial money: $\$50$

Step3: Calculate daily spending

Total spending after $x$ days: $5x$

Step4: Form remaining money equation

$y = \text{Initial amount} - \text{Total spending}$
$y = 50 - 5x$

Answer:

b. $y = 50 - 5x$