Digital SAT Practice Questions

In the equation $-4x + 6 = kx + -1$, $k$ is a constant. If the equation has no solution, what is the value of $k$?...

In the equation $7x + -13 = kx + -13$, $k$ is a constant. If the equation is true for all real values of $x$, what is the value of $k$?...

In the equation $9x + 3 = kx + 3$, $k$ is a constant. If the equation is true for all real values of $x$, what is the value of $k$?...

What is the solution to the equation $3(2x - 5) = 4x + 7$?...

What is the solution to the equation $\frac{2}{3}x - 4 = \frac{1}{2}x + 1$?...

What is the solution to the equation $\frac{3x - 1}{4} = \frac{2x + 5}{3}$?...

What is the solution to the equation $2(4x - 3) - 3(x + 2) = 18$?...

What is the solution to the equation $\frac{x}{2} + \frac{x}{3} = 5$?...

What is the solution to the equation $3(x + 6) = 5(x - 2)$?...

What is the solution to the equation $\frac{5x - 3}{2} = 2x + 4$?...

A plumber charges a flat service call fee of $65 plus $45 per hour of labor. If a customer was charged a total of $290, how many hours of labor did the plumber ...

An electrician charges an initial inspection fee of $80 plus $55 for each hour of work. Which function $C(t)$ models the total cost, in dollars, for $t$ hours o...

A car rental company charges $35 per day plus $0.20 per mile driven. If a renter kept the car for 3 days and was charged $155 before taxes, how many miles did t...

A water tank initially contains 450 gallons of water and drains at a constant rate of 15 gallons per minute. How many minutes will it take for the tank to be co...

A gym membership requires a one-time registration fee of $50 and a monthly fee of $30. If Marcus spent a total of $410 on his gym membership, for how many month...

A candle is 14 inches tall when lit and burns down at a constant rate of 0.8 inches per hour. What is the height of the candle, in inches, after burning for 5 h...

A catering service charges $150 for setup plus $24 per guest. What is the maximum number of guests that can be served with a budget of $1,000?...

A landscaping company charges $40 per lawn plus a equipment maintenance fee of $25 per day. If a crew earned $345 in one day, how many lawns did they mow?...

A submarine is at a depth of 350 meters below sea level and descends at a constant rate of 25 meters per minute. What is the submarine's depth, in meters below ...

A cellular phone company offers a plan for $45 per month, which includes 5 GB of data. Each additional gigabyte costs $12. If a customer's bill for one month wa...

A delivery driver earns a guaranteed base pay of $75 per day plus $4 for each delivery completed. If the driver wants to earn at least $175 in a day, what is th...

A printing press can produce 120 flyers per minute. If the press has already printed 400 flyers today, how many total minutes will it have run once 1,600 flyers...

An author receives a signing advance of $5,000 plus a royalty of $1.75 for each copy of their book sold. If the author's total earnings reached $12,000, how man...

A hot air balloon is at an altitude of 1,200 feet and descends at a constant rate of 75 feet per minute. After how many minutes will the balloon reach an altitu...