7th grade Math Review

Which of the following statements about the graph are true? (Select 1)

• The point (1,5) tells that racecar A traveled 1 meter in 5 seconds.

• The point (5,2) tells that racecar C traveled 2 meters in 5 seconds.

• You can not tell anything from the information given.

• The point (6, 9) tells that racecar B traveled 6 meters in 9 seconds.

The distance a train travels, d, is proportional to a constant rate of speed, r, at different times, t. Which equation shows the relationship between the speed of the train and the distance traveled?

Sal ate dinner at his favorite restaurant. Sal knows that the amount of the bill before tax will be $52.60 and that the sales tax rate is 8%. Sal decides to leave a 20% tip for the waiter based on the pre-tax amount. How much will Sal leave for a tip?

Sal ate dinner at his favorite restaurant. Sal knows that the amount of the bill before tax will be $52.60 and that the sales tax rate is 8%. Sal decides to leave a 20% tip for the waiter based on the pre-tax amount. What is the total bill for Sal’s dinner including the tax and tip?

Which expression below is equivalent to the expression 18a + 12b + 9a + 24b?

• 63ab

• 30ab + 33ab

• 27a + 36b

• 21a + 42b

On Mondays, a coffee shop offers its customers a 25% discount on all coffee purchases. The coffee shop usually charges c dollars for a flavored coffee. The expression below can be used to determine the cost of a flavored coffee on Mondays.

𝑐 − 0.25𝑐

Which expression could also be used to determine the cost of a flavored coffee on Mondays?

• 0.25c

• 0.75c

• 1.25c

• 1.75c

An amusement park ticket normally sells for $32.50. An employee receives 20% off the price of a ticket. Which statement correctly describes how to find the employee’s discounted ticket price?

• Convert 20% to a decimal value, and then multiply the normal ticket price by the decimal value calculated.

• Subtract 20% from 100%, convert the difference to a decimal value, and then multiply the normal ticket price by the decimal value calculated.

• Add 20% to 100%, convert the sum to a decimal value, and then multiply the normal ticket price by a decimal value.

• Convert 20% to a decimal value, and then subtract the decimal value from the normal ticket price.

• $2.50

• $22.50

• $23.75

• $32.81

Which statement explains how to find the actual dimensions of the park in meters?

• Add 25 to each dimension of the rectangle in the scale drawing.

• Multiply each dimension of the rectangle in the scale drawing by 1.

• Multiply each dimension of the rectangle in the scale drawing by 25

• Add 25 to the product of the dimensions of the rectangle in the scale drawing.

Which sets of measurements could be the interior angle measurements of a triangle? Select 2.

• 10°, 20°, 160°

• 15°, 75°, 90°

• 20°, 80°, 100°

• 35°, 35°, 105°

• 60°, 60°, 60°