Rates Complex Fractions and Unit Rate Real Life

What is a complex fraction?

• A really hard fraction to figure out 
• A fraction with a fraction in the numerator, denominator, or both 
• A fraction multiplied by a decimal
• A fraction with an exponent 

If a dog can eat 1/3 of a bag of food in 1/2 week, how many bags of food can the dog eat in 1 week?

• 1/6
• 2/3
• 3/2
• 5/6

Simplify the complex fraction shown.

• 9/40
• 40/9
• 10/36
• 5/18

Sasha can mow 3/8 of an acre of grass in 3/4 an hour. How many acres of grass does Sasha mow per hour?

• 2 acres per hour

• 1/2 acres per hour

• 9/24 acres per hour

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

It snowed 14 inches in 5 hours. What is the unit rate?

• 3 inches per hour

• 1.5 inches per hour

• 5 inches per hour

• 2.8 inches per hour

Simplify the complex fraction.

• 18
• 1/18
• 9/72
• 1/8

Which is the better deal?

Oreos: $2.98 for 15 oz

OR

Chips Ahoy: $2.50 for 14 oz

• Oreos

• Chips Ahoy

• They are the same

A brownie recipe requires 2/3 cup of sugar for 1/3 batch of brownies. How much sugar is need for 1 batch of brownies

• 2/9 cup
• 1 cup
• 1 & 1/3 cups
• 2 cups