7G Eureka Module 4 Lesson 5 Problems
- 1. Write an equation to solve: Emilio paid $πππ.π0 in taxes to the school district that he lives in this year. This yearβs taxes were a ππ% increase from last year, what did Emilio pay in school taxes last year? Let 't' represent the amount of school taxes Emilio paid last year.
A) 0.15t = 287.50
B) 1.15t = 287.50
C) t / 0.15 = 287.50
D) t + 0.15t = 287.50
- 2. Using the equations from Problem #1, Emilio paid $πππ.π0 in taxes to the school district that he lives in this year. This yearβs taxes were a ππ% increase from last year. what did Emilio pay in school taxes last year?
A) 330.63
B) 275.00
C) 225.00
D) 250.00
- 3. Write an equation to solve: Student enrollment at a local school is concerning the community because the number of students has dropped to π0π, which is a π0% decrease from the previous year. What was the student enrollment the previous year? Let 'x' represent the student enrollment the previous year.
A) x - 0.20x = 504
B) x / 0.20 = 504
C) (1-0.2)x = 504
D) 0.20x = 504
- 4. Using the equation from Problem #3, Student enrollment at a local school is concerning the community because the number of students has dropped to π0π, which is a π0% decrease from the previous year. What was the student enrollment the previous year?
A) 720
B) 630
C) 403
D) 605
- 5. Write an equation to solve: Yoshi is π% taller today than she was one year ago. Her current height is πππ πm. How tall was she one year ago? Let 'x' represent Yoshi's height one year ago.
A) (1 + 0.5)x = 168
B) x + 0.05x = 168
C) 0.05x = 168
D) x / 0.05 = 168
- 6. Using the equations from Problem #5, Yoshi is π% taller today than she was one year ago. Her current height is πππ πm. How tall was she one year ago?
A) 155
B) 150
C) 160
D) 175
- 7. Write an equation to solve: Angie scored ππ points on a test but only received a ππ% grade on the test. How many points were possible on the test? Let 'x' represent the total possible points on the test.
A) x + 0.65 = 91
B) x / 0.65 = 91
C) 65 = 0.91x
D) 91 = 0.65x
- 8. Using the equation from Problem #7, Angie scored ππ points on a test but only received a ππ% grade on the test. How many points were possible on the test?
A) 140
B) 160
C) 120
D) 180
- 9. Write an equation to solve: A tank that is 40% full contains 648 gallons of water. What is the maximum capacity of the water tank? Let 'x' represent the maximum capacity of the water tank.
A) x + 0.40 = 648
B) 0.40x = 1
C) 0.40x = 648
D) x / 0.40 = 648
- 10. A tank that is 40% full contains 648 gallons of water. What is the maximum capacity of the water tank?
A) 2592
B) 1080
C) 1620
D) 162
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