Question

shiri has a debt of $375 to pay off with no interest added. if she pays $25 each week, how long will it take her to pay back the loan? the equation can be written as:

(y = -25x + 375)

solve the problem by solving for the x-intercept.

15 weeks
20 weeks
12 weeks
18 weeks

Explanation:

Set the dependent variable to zero

Using the x-intercept knowledge point

$$ y = 0 $$

Substitute and solve for x

Using the Linear Equations knowledge point

$$
LATEXBLOCK0
$$

Answer:

• (A) 15 weeks (Correct answer)
• (B) 20 weeks
• (C) 12 weeks
• (D) 18 weeks