Topic Test — Cumulative exam Answers

Shane is trying to figure out how much one magazine would cost if 12 magazines cost $36. Shane did the math and got $45 as the answer.Is Shane’s answer reasonable?

Several friends bought flowers to make table centerpieces. Write the ratios of purple flowers to white flowers for each friend.Bouquets Colors Purple FlowersWhite FlowersRowan82Marcia101Jillian102Lulua183Who has the largest ratio of purple to white flowers?

The school band is ordering health bars to sell for a fundraiser. The company that sells the bars charges $0.40 per bar plus $20.00 for shipping regardless of the size of the order. The band must spend less than $200.00 on bars for the fundraiser. The inequality below relates x, the number of bars that could be ordered, with the shipping costs and their spending requirements.Which best describes the number of bars the band can order?

Louie made 8.1 liters of fruit punch using only grape juice and carbonated water. He used 4.2 liters of grape juice. The equation can be used to represent this situation, where c is the number of liters of carbonated water used. How many liters of carbonated water did Louie use?

An airplane can seat up to 175 passengers. The airline has already sold 87 tickets for a flight on the airplane. Which graph represents the solution to the inequality that finds the number of tickets the airline can still sell?

What is the solution to ?

The prime factorizations of 54 and 72 are shown below.Prime factorization of 54: 2, 3, 3, 3Prime factorization of 72: 2, 2, 2, 3, 3Using the prime factorizations, what is the greatest common factor of 54 and 72?

What is the value of “three less than the quotient of six and a number, increased by nine” when n = 3?

Which expressions are equivalent when and ?

In the world’s coldest freezer, sodium gas was cooled to a temperature of 78.5°C below zero and then cooled 194.65°C more. What was the new temperature of the sodium gas?