Benchmark Review 8.8 A, B, C (11-5-21)

Front

A group of students took the Benchmark test in rooms 200 (36 students) and 201 (78 students). Mrs. O'Rear sent groups of 3 from room 201 to room 200 until both rooms had the same number. Solve: 36 + 3x = 78 - 3x. How many groups were sent?

Back

7

Front

Jamie's aquarium: 10.4 gallons, filling at 2.8 gallons/week. Jimmy's aquarium: 16.4 gallons, leaking at 0.2 gallons/week. When will water levels equal?

Back

2 weeks

Front

Value of x for: 24x - 22 = 8 - 84x

Back

\frac{5}{18}

Front

Model to solve: 3y + 2 = 2y - 4

Back

Front

Jamie had $550 in savings. She deposits $20 weekly for x weeks. Jimmy deposits $75 weekly for x weeks. Which inequality shows Jamie's amount > Jimmy's?

Back

75x < 550 + 20x

Front

Cost of 12 notebooks: 12x > 7x + 4

Back

Cost of 12 notebooks > Cost of 7 notebooks + $4 pen.

Front

Shawn's account: $11 + $20.75x; Bailey's account: $75 + $12.75x. Find x when balances equal.

Back

8

Front

Two squares A and B are shown. Length of B > Length of A. Which inequality?

Back

25x + 8 > 4x - 3