Plug in the numbers wherever these letter are. Ex: 10x+5y. You would do 10x12=120 and 5x20=100. Add these two numbers to get 220. Hope this helps:)
In order to find the average, you have to find the total, and then divide by the amount of days, which in this case is 5. The total is 395/5 = 79.
Therefore, the average number of pies sold each day is 79
Answer:
3/4
Step-by-step explanation:
Answer:
34
Step-by-step explanation:
115.6/340 = 0.34 x 100 = 34 percent