Does the table show a proportional relationship? If no, explain. If yes, what is the equation?
proportional, k=1/4, y=1/4x or y=0.25x
20
Does the table show a proportional relationship? If no, explain. If yes, what is the equation?
proportional, k=9, y=9x
15
Does the table show a proportional relationship? If no, explain. If yes, what is the equation?
non proportional
15
Which can of soup is the best buy?
10 oz soup
15
Simplify.
14
10
A brownie recipe calls for 2/3 cup of sugar for 1/3 batch of brownies. How much sugar is needed for 1 batch of brownies?
2 cups
20
A hose is leaking 2/3 gallon of water every 4/5 hour. How many gallons are leaking out per hour?
5/6 gallon per hour
20
What is the constant of proportionality from the graph?
7
10
One week, 70 people got a speeding ticket. The next week, only 42 people got a speeding ticket. What is the percent of change in the speeding tickets?
40% decrease
20
A $54 backpack is on sale for 15% off. What is the sale price of the backpack?
$45.90
10
12% of the cars that went through the car wash were blue. If 9 blue cars went through the car wash, how many cars went through the carwash?
75 cars
20
60% of toys at a toy store require batteries. If there are 70 toys in the store, how many require batteries?
42 toys
20
Lily won $3,000 from a radio contest. If she puts this money in a bank account that earns 2.9% simple interest, how much will she have in total in her account at the end of 10 years?
$3,870
25
The average price of a dozen eggs has increased 60% over the past year. If the average price of one dozen eggs was $2.65 last year, what is the price this year?