Chapter 1
CD Express offers 4 CDs for $60. Music Place offers 6 CDs for $75. Which store offers the better buy?
Music Place
8% of 50=
4
12-|-8| + 7=
11
During a hockey game, an ice resurfacer travels 0.75 miles. What fraction represents this distance?
3/4
0,9,18,27,...
9 is added to the previous term; 36, 45, 54
Pep Club members are making spirit buttons. they make 490 spirit buttons in 3 1/2 hours. Find the number of buttons the Pep Club makes per hour.
140 spirit buttons per hour
About 0.8% of the land in Maine is federally owned. IF Maine has 19,847,680 acres, how many acres are federally owned?
160,000 acres
-6+(-8)=
-14
On her first quiz in social studies, Meg answered 92% of the questions correctly. On her second quiz, she answered 27 out of 30 questions correctly. On which quiz did Meg have the better score?
first quiz
a+(b+12)=(b+12)+a
What property is this?
Commuatative
When you convert 100 feet per second to inches per second, will there be more or less than 100 inches? Explain
More, Since inches are smaller than feet, it will take more inches to make equivalent rates.
What person of $90 is $9?
10%
0-10
-10
4/5+3/5
1 2/5
3(5+6)=
33
Determine whether the cost for ordering multiple items that will be delivered is sometimes, always, or never proportional. Explain your reasoning.
sometimes; it depends on whether the items cost the same amount and if a delivery fee is charged.
30 is what percent of 64?
46.9%
Tamera owns 100 shares of a certain stock. Suppose the price of the stock drops by $3 per share. Write a multiplication expression to find the change in Tamera's investment. Explain your answer.
100(-3); Tamera's investment is now worth $300 less than it was before the price of the stock dropped
1/6+3/8=
13/24
n+5n=
6n
A health club charges $35 a month for membership fees. Determine whether the cost of membership is proportional to the number of months. Explain your reasoning.
proportional; The ordered pairs would be (0,0), (1, 35), (2, 70). This would be a straight line through the origin.
15 yards to 18 yards
20%; increase
The lowest recorded temperature in Wisconsin is -55 F on February 4, 1996. Use the expression 5(F-32) to find this temperature in degrees Celsius. Round to the nearest tenth. Explain its meaning.
-48.3 C; -55 F is about -48.3C
2 1/9+ 7 4/9=
9 5/9
1+1=
11
HAHAHAHAš¤£