Unit 3 Let's see what you know

Barry earned $175 for 14 hours of gardening. How much did Barry earn per hour?

• $3.50

• $12.50

• $14.50

• $17.50

Oscar walked at the same rate for 10.5 miles. He completed his walk in 3 hours. What was Oscar's rate, in miles per hour, during his walk?

• 3.5 mph

• 7.5 mph

• 10.5 mph

• 31.5 mph

Is the graph proportional?

• Yes because it is a straight line.

• Yes because it doesn't go through the point of origin

• No because it has the same constant of proportionality.

• No because it is a straight line not through the point of origin.

Is the table proportional?

• Yes it has the same CP.

• No it doesn't have the same CP

Fred made this chart to show the prices of king-sized candy bars at four different stores.

Which store has the best buy on king sized candy bars?

• Smith's

• Green's

• Jed's

• Wan's

Susie deposited $800 into a savings account that yields 6.5% interest. If she earns $91 in interest, how long (the time in years) did Susie leave her money untouched in the account?

Use the formula i = (p) (r) (t)

• 1.75 years

• 2 years

• 1.5 years

• 3 years

• x = 42

• x = 40

• x = 45

• don't mis-click

Andrew is designing a billboard that has an image of a baseball bat.  His scale drawing of the billboard is 5cm = 9ft

What will be the length of the bat on the billboard, in feet?

• 13 ft

• 130 ft

• 13 and a half feet

• Don't miss it

What percent of 56 is 42?

remember

of means to multiply

is means equal

• 0.75

• 75

• 70

• Don't be fooled.

150 is 15% of what number

• 1100

• 1001

• 10.00

• 1000