Test Prep #4

Mary counts the blue and orange gumballs present in a gumball machine.  She determines there are 10 blue and 6 orange gumballs.

Mary makes the claim, "I am most likely going to get a blue gumball when I turn the knob because the ratio of blue to orange gumballs is 5:2."

Mary's claim is incorrect.  Which statement identifies the errors Mary has made?

• She will most likely get an orange not a blue gumball, but the ratio of blue to orange gumballs is 5:2.

• She will most likely get an orange not a blue gumball, and the ratio of blue to orange gumballs should be 2:5.

• She will most likely get a blue gumball, but the ratio of blue to orange gumballs is 5:3.

• She will most likely get a blue gumball, but the ratio of blue to orange gumballs is 3:5.

What exponent belongs in the box to complete the equation below?

Which of the following situations can be solved by using the equation 13r = 156?  Select two that apply.

• The new novel Patrick checked out at the library has r number of chapters.  If it takes Patrick 13 minutes to read each chapter, he will have the book finished in 156 minutes.

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  A bakery sold 13 pies on Monday.  If each pie costs r dollars, the bakery made a total of $156.

• Susan spent a total of $156 yesterday when she bought a new shirt for $13 and a new dress for r dollars.

• A bus driver made 13 stops along his route this morning.  If he had r number of people left on his bus at the end of his route, he picked up a total of 156 people during his route.

You have 7/8  of a pizza left over from a party. You would like to give each friend 1/4 of the pizza. How many friends can you give 1/4 of the pizza to?

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Natalia buys packages of hoop earrings for her jewelry business. The available package sizes and the cost for each are shown in the table.

Which statements are true? Choose ALL that are correct.

• Natalia pays $15 for 5 pairs of earrings.

• Natalia can purchase 30 pairs of earrings for $100.

• Natalia pays $90 for 27 pairs of earrings.

• Natalia's cost for 18 pairs of earrings would be $60.

• Natalia's cost for 13 pairs of earrings would be $50.

Select TWO expressions that are equivalent to 2 + b + b

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Find the quotient.

Which of the following correctly shows the distributive property?

• 4(x + 5) = 5(x + 4)

• 4(x + 5) = (4)(x) + 5

• 4(x + 5) = x + (4)(5)

• 4(x + 5) = (4)(x) + (4)(5)

A scientist has 42.359 grams of copper. She uses 3.08 grams in an experiment. How many grams of copper are left?

Danielle's dad is more than 5.75 feet tall. Which of the following could be the height, in inches, of Danielle's dad? Select TWO correct answers. (1 foot = 12 inches)

• 62 inches

• 65 inches

• 72 inches

• 77 inches

• 67