Positives and Negatives
(-7)x4
-28
Write the decimal as a fraction.
0.13
13/100
What is the ratio of chairs to people in the classroom?
Ask Silas if you got it!
Write the percent as a fraciton.
60%
60/100
(simplified answers ok too)
Write the percent as a fraction.
7%
7/100
11+(-2)
9
Write the fraction as a decimal.
2/5
0.4
(6∙3)÷32
2
Write the percent as a decimal.
33%
0.33
2%
0.02
(-32) / (-4)
8
0.10
1/10
What is the ratio of students to people in this class?
Ask Silas if you got it
Normally, a Eastman Guitar costs $600, but there is a sale for 20% off. What is the new price of the guitar?
$480
Market Basket was having a sale, where a box of Takis that normally costs $10 was 25% off. How much was the new price of the Takis box?
$7.50
6-(-7)
13
1 1/4
1.25
Is this proportional?
1 2 3 4
2 4 5 8
Why or why not?
No
Elsa put $400 in a savings account with an annual interest rate of 4.5%. After 2 years, how much total money will Elsa have?
$436
To increase her profits, Liliana marks up the sneakers she is selling by 10%. If she normally sells sneakers for $80, what is the new price?
4
What is 45.6% as a decimal?
0.456
If a bag of five tennis balls costs $20, what is the unit rate of cost per soccer ball?
$4 per ball
John bought new headphones online and had to pay a 20% markup in shipping and handling fees. The final price was $240. What was the original price?
$200
How long will it take Jaylen to earn $40 on a $200 investment is the annual interest rate is 4%?
5 years