AlgebraEasy–MediumValue of a decreasing linear model
Algebra practice question
A prepaid transport card holds $500 and is charged $35 for each weekly pass. How many dollars remain after 10 weekly passes?
Answer: 150
500 − 35 × 10 = 500 − 350 = 150.
Common wrong answers
- If you answered 350
- 350 is the amount SPENT.
- If you answered 465
- 465 subtracts one pass only.
- If you answered 14.3
- 14.3 is 500/35, the number of passes the card could buy, not the remaining balance.
More Algebra questions
- Easy–Medium
A line passes through the points (0, 3) and (2, 7). What is the slope of the line? - Easy–Medium
A gym charges a $25 one-time signup fee plus $15 per month. Which equation gives the total cost C, in dollars,… - Easy–Medium
If 5(x − 2) = 3x + 4, what is the value of x? - Easy–Medium
A taxi charges a $3.50 base fare plus $2.25 per mile. If a ride costs $19.25 total, how many miles was the rid… - Easy–Medium
The equation of a line is 3x + 2y = 12. What is the y-coordinate of the point where the line crosses the y-axi… - Easy–Medium
A line in the xy-plane passes through the points (1, 5) and (4, 11). What is the y-intercept of the line?
Not affiliated with the College Board. SAT is a trademark of the College Board.