Week 15~Thursday

Front

What is the value of k in the expression -10.5x + 7.77 + 4.1 that makes it equivalent to -10.5x + k?

Back

k = 11.87

Front

How do you find the unit rate of an item?

Back

To find the unit rate, divide the total cost by the number of items. For example, for 5 cans at $2.90, the unit rate is $2.90 / 5 = $0.58 per can.

Front

Back

A possible solution is h = -5.

Front

How do you add mixed numbers like 2 ¾ and 1 1/8?

Back

Convert to improper fractions, add them, and convert back to a mixed number if necessary.

Front

What is the total amount of flour Jan used for her cupcakes?

Back

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is often expressed as a quantity per one unit.

Front

How do you solve an inequality?

Back

To solve an inequality, isolate the variable on one side using inverse operations, similar to solving an equation.

Front

What is the process to compare prices to find the better buy?

Back

Calculate the unit price for each option and compare them. The lower unit price indicates the better buy.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of their variables.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.