Question 1
What is the value of \(x\) in the equation \(0.3x + 1.5 = 0.7x - 0.5\)?
Medium - Quiz 2 🔒
Sharpen your skills with decimal coefficients, tiered pricing, mixture problems, and equations where you solve for a parameter instead of x.
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A parking garage charges $4 for the first hour and $2.50 for each additional hour after that. If a driver's total charge is $16.50, how many total hours was the car parked?
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What is the solution to the equation \(5 - 2(3x - 1) = 3(1 - x) + 6\)?
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A barista mixes a $6-per-pound coffee with a $10-per-pound coffee to make 20 pounds of a blend that costs $7.40 per pound. How many pounds of the $6 coffee are in the blend?
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Answer question 4 to unlock
In the equation \(3(x - k) = 12\), the solution is \(x = 7\). What is the value of \(k\)?