A deli has a special one day event to celebrate. On the day of the event every eighth customer receives a free drink. Every twel
fth customer receives a free sandwich. If 200 customers show up for the event, how many of the customers will receive both a free drink and a free sandwich?
Find the HCF or GCF of 8 and 12 which is 24. now total customers are 200, now divide 200 by 24 and you will get quotient 8 and it shows 8 people will get both drink and sandich
<span>For this we have to see which numbers below 200 are both divisible by 8 and 12.
Who get free drink - 8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152,160,168,176,184,192,200
Who get free sandwich
12,24,36,48,60,72,84,96,108,120,132,144,156,168,180,192
Find common numbers
24,48,72,96,120,144,168,192
The answer is 8</span>
The mean is where you add all of the numbers in that set together, and divide it by the amount of numbers you have. E.g. For Set 1 - 10 + 15 + 20 + 25 + 30 + 50 = 150 ÷ 6 = 25
For Set 2 you just repeat the process:
1. Add the numbers in the set together, this gives you a total of 111
2. Then divide 111 by 5 as you have 5 numbers, giving you 22.2
