Answer:
462 ways
Step-by-step explanation:
One book never selected means 12 - 1 = 11.
So to find the number of ways, 11C5 which equals to: 11!/(5!(11-5)!) = 462
Answer:
5
Step-by-step explanation:
7n+7=42
7n=35
n=5
-2.8(6m + 4) that is the answer
Given that worker A earns $9.50 per widget, and produces 7 widgets after 5 hiurs per day.
Worker B earns $8.80 per widget and produces 9 widgets per day having worked 8 hors per day.
Total amount that worker A earns per day is 9.50*7=$66.5
Total amount that worker B earns per day is 8.80*9=$79.2
amount earned by worker A per hour is:
66.5/5=13.3 $/hour
amount earned by B per hour is:
79.2/8=$9.9 $/hour
the correct statement is:
C] Worker B earns more per day than worker A but less per hour than worker A.
