-8,400 / 12
- $700
10 x 400
4000
11 x 4
44
-4 + -3 = ?
Positive 7
11+2
13
Oliver is training for a tiktok marathon . In practice, he runs 15 kilometers in 72 minutes. What is his speed in kilometers per hour?
Convert the time in minutes to hours to find kilometers per hour.
Oliver runs 12 1/2 kilometers per hour.
10 x 500
5000
11x5
55
-7 x 1
- 7
10+11
21
Samuel pays $31.50 for a tiktok jacket. The amount includes 5% sales tax. How much is the jacket without sales tax?
The price of the jacket is $30.
10 x 600
6000
11 x 30
330
9 + -10
-19
44+12=?
56
When Juan got his puppy, she weighed 8 pounds. Now that she is 1 year old, her weight is 60 pounds. What is the percent increase in the puppy's weight?
Look at how you could write a proportion that will help you solve the problem.
The puppy's weight increased by 650%.
10x700
7000
11 x 80
880
- 11+ -44=?
-55
99+11
110
A store manager paid $15 for a computer case and sells it in the store for 65% more than she paid. What expression represents the price of the computer case in the store?
Look at one way you could write an expression.
15 + 0.65 . 15 = sale price
15 + 0.65(15)
10 x 800
8000
11 x 990
10890
9 + 3
12
11+66=?
77