Unit 4 Test Review Day 2

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something (e.g., miles per hour, dollars per item).

Front

How do you calculate the unit rate from a total cost and quantity?

Back

To calculate the unit rate, divide the total cost by the quantity. For example, if the total cost is $97.50 for 15 pizzas, the unit rate is $97.50 ÷ 15 = $6.50 per pizza.

Front

What is the formula to find speed?

Back

Speed is calculated using the formula: Speed = Distance ÷ Time.

Front

If a car travels 165 miles in 3 hours, what is its speed?

Back

The speed of the car is 55 miles per hour, calculated as 165 miles ÷ 3 hours.

Front

How do you determine the unit rate of earnings per hour?

Back

To find the unit rate of earnings per hour, divide the total earnings by the total hours worked. For example, $200 earned in 8 hours results in a unit rate of $25 per hour.

Front

What is the relationship between dogs and all animals in terms of classification?

Back

Dogs are a specific type of animal, which means they belong to the broader category of all animals.

Front

How many grams are in a 24-ounce bottle of Gatorade if there are 28.4 grams in 1 ounce?

Back

To find the total grams in the bottle, multiply the number of ounces by the grams per ounce: 24 ounces × 28.4 grams/ounce = 681.6 grams.

Front

What is the importance of unit rates in real-life applications?

Back

Unit rates help compare different quantities and make informed decisions, such as determining the best price for products or understanding speeds.

Front

How can you convert ounces to grams?

Back

To convert ounces to grams, multiply the number of ounces by the conversion factor of 28.4 grams per ounce.

Front

What is the significance of understanding speed in everyday life?

Back

Understanding speed is important for safe driving, planning travel times, and comparing the efficiency of different modes of transportation.