Solving Unit Rate Problems

Yoshi took a total of 6 quizzes over the course of 3 weeks. How many weeks of school will Yoshi have to attend this quarter before he will have taken a total of 20 quizzes? Solve using unit rates.

• 10 weeks

• 2 weeks

• 5 weeks

• 4 weeks

Cara's graduation picnic will cost $16 if it has 8 attendees. If there are 10 attendees, how much will Cara's graduation picnic cost? Solve using unit rates.

• $20

• $2

• $10

• $12

Nila knit a total of 9 centimeters of scarf over 3 nights. After 5 nights of knitting, how many centimeters of scarf will Nila have knit in total? Solve using unit rates.

• 15 cm

• 12 cm

• 3 cm

• 6 cm

• A
• B
• C
• D

• A
• B
• C
• D

Martin's retirement party will cost $12 if he invites 3 guests. What is the maximum number of guests there can be if Martin can afford to spend a total of $16 on his retirement party? Solve using unit rates.

• 4 guests

• 6 guests

• 5 guests

• 3 guests

Duncan learned to play a total of 12 pieces over the course of 6 weeks of piano lessons. In all, how many weeks of piano lessons will Duncan need before he will be able to play a total of 14 pieces? Solve using unit rates.

• 7 weeks

• 8 weeks

• 9 weeks

• 2 weeks

Sancho's birthday party will cost $8 if he invites 4 guests. How many guests can there be, at most, if Sancho can afford to spend a total of $12 on his birthday party? Solve using unit rates.

• 6 guests

• 3 guests

• 2 guests

• 4 guests

Blake spent 6 minutes on the phone while routing 2 phone calls. If he routes 5 phone calls, how much time will Blake have spent on the phone in total? Solve using unit rates.

• 15 minutes

• 12 minutes

• 3 mintues

• 5 minutes

At Mark's Hardware, a package of 8 hinges costs $28. At Steve's Supplies, a package of 11 hinges costs $38. Which statement is the most accurate?

• Steve's Supplies is the better buy because you get more hinges.

• Mark's Hardware is the better buy because $28 is less than $38.

• Steve's Supplies is the better buy because it sells hinges at $3.45 per hinge.

• Mark's Hardware is the better buy because it sells hinges at $3.50 per hinge.