Math
posted by Shion .
A builderis designing a rectangular patio that has a length of 12 units. Find the total number of square units the patio will cover if the width is 4,5,6, or 7 units

Multiply the length times the width.
4 * 12 = 48 square units
5 * 12 = ?
Etc. 
Each table in the cafeteria seats 8 people. Find the total number of people that can e seated at 7,8,9, and 10 tables. If the average bill per person is $12, how much money can the cafateria expected from 7,8,9, and 10 tables that have no empty seats

These are just multiplication problems.
7 * 8 * 12 = ? 
672

find the total number of square units the patio will cover if the width is 4,5,6,or 7 units