Week 15~Thursday

Front

What is the constant of proportionality (k) in the equation where a jet travels 470 miles in 5 hours?

Back

k = 94 mph

Front

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

Back

k = 11.87

Front

How do you find the unit rate of a product?

Back

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

Which is a better buy: 5 cans for $2.90 or 10 cans for $5.10?

Back

Sam's Club has the better buy because they sell green beans for $0.51 per can.

Front

How much flour did Jan use for her cupcakes if she used 2 ¾ cups on three days and 1 1/8 cups on one day?

Back

Front

Back

A possible solution is h = -5.

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 convert a mixed number to an improper fraction?

Back

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

Front

What is the process to solve an inequality?

Back

Isolate the variable on one side of the inequality sign by performing the same operations on both sides.

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 the variable.