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9th

grade

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Carol Demas

4 years

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5 questions

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- 1. Fill in the Blank2 minutes1 pt
What is the value of x in the equation:

$4x-2\left(x+3\right)\ =\ 8?$ - 2. Fill in the Blank5 minutes1 pt
Six friends all use $2 off coupons to buy themselves movie tickets. They spend a total of $42. What is the price of one movie ticket without the coupon?

*Don't forget the dollar sign in your answer.

- 3. Fill in the Blank3 minutes1 pt
The sum of two consecutive even integers is 74. What is the larger integer?

- 4. Fill in the Blank5 minutes1 pt
A scientist needs 10 liters of a 20% acid solution for an experiment, but she has only a 5% solution and a 40% solution. To the nearest tenth of a liter, about how many liters of the 40% solution should she mix to get the solution she needs?

*Don't forget liters in your answer.

- 5. Multiple Choice5 minutes1 pt
Venetta buys 2 pounds of pistachios and 3 pounds of almonds. The pistachios cost $4 more per pound than the almonds. She pays a total of $48. Which of the following are true? Select all that apply.

One pound of pistachios plus 1 pound of almonds costs $20.

The pistachios cost twice as much per pound as the almonds.

Reducing the number of pounds of almonds by one results in a total cost of $40.

The cost of one pound of almonds (a) in dollars is modeled as

$2\left(a-4\right)+3a\ =\ 48.$The cost of one pound of pistachios (p) in dollars is modeled as $2p\ +\ 3\left(p-4\right)\ =\ 48.$

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