Page 323 - NUMINO_WB_5B
P. 323
090-B3-1
1. Complete the table. Number of books Total price ($)
a. A book costs $2.5. Let x = number of 2
books. 3
4
b. Find the area of the rectangle.
y x
x
Width Length Area
2 1
3 2
4 3
xy
2. Express each of the following situations as an algebraic expression.
a. Thomas can walk 3 km in one hour. Let y = hours that Thomas walked.
b. There are 10 batteries. Let b = the number of batteries divided.
a. Kate is 4 years younger than her sister. Let x = age of Kate’s sister.
1. Complete the table. Number of books Total price ($)
a. A book costs $2.5. Let x = number of 2
books. 3
4
b. Find the area of the rectangle.
y x
x
Width Length Area
2 1
3 2
4 3
xy
2. Express each of the following situations as an algebraic expression.
a. Thomas can walk 3 km in one hour. Let y = hours that Thomas walked.
b. There are 10 batteries. Let b = the number of batteries divided.
a. Kate is 4 years younger than her sister. Let x = age of Kate’s sister.