Unit 4 Review: 7.4B,7.4D

A dolphin jumps 54 times in a 6-hour period. At this rate, how many jumps would be expected in a 2-hour period?

• 18

• 20

• 22

• 24

A package of 12 cans of black beans cost $6.84. What is the cost of one can of black beans?

• $0.57

• $0.68

• $0.72

• $0.85

Fifteen is 30% of what number?

• 50

• 45

• 60

• 55

A package of 12 confetti eggs costs $2.88. What is the cost of 1 confetti egg?

• $0.24

• $0.30

• $0.36

• $0.48

At the beginning of the school year, Anderson Middle School had 480 students. At the end of the year, it had 504 students. What is the percent of change in the enrollment?

• 5%

• 6%

• 4%

• 5.5%

A sweater is marked 30% off during an end of season sale. If the sweater was originally $56.00, what is the sale price of the sweater?

• $39.20

• $40.00

• $42.00

• $45.00

On Monday, Jeff bought a t-shirt for 40% off the regular price of $16.00, not including tax. The next day, the t-shirt that Jeff bought was marked down to 75% off its regular price. How much would Jeff have saved, not including tax, if he had waited until Tuesday to buy the t-shirt?

• $2.80

• $4.00

• $5.60

• $6.40

The distance between Dallas, TX and Austin, TX is 195 miles. If 1 mile equals 1.6 kilometers, then how many kilometers is there between Dallas, TX and Austin, TX?

• 312 km

• 300 km

• 320 km

• 310 km

• 680 Students

• 510 students

• 320 Students

• 520 Students

• 8 guests
• 16 guests
• 12 guests
• 10 guests