Week 16~Monday

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

If a jet travels 470 miles in 5 hours, what is the constant of proportionality (k) for its speed?

Back

k = 94 mph

Front

How do you find the unit rate of a product?

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

Which store has the better buy for green beans: Village Mart or Sam's Club?

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 in total for her cupcakes?

Back

Front

Back

A possible solution to this inequality is h = -5.

Front

What is a constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as k.

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 unit rate for 10 cans of green beans costing $5.10?

Back

The unit rate is $5.10 / 10 = $0.51 per can.

Front

What is the first step in adding mixed numbers?

Back

Convert the mixed numbers to improper fractions before adding.