Posted by Johnna on .
A plate glass window measures 5 ft by 8 ft. If glass costs $6 per square foot, how much will it cost to replace the window?

Math 
Ms. Sue,
To find the area, multiply the length times the width:
5 * 8 = 40 square feet
Multiply to find the cost per square foot. 
Math 3 
trynda mere,
80