Answer:
7 is the card that must be removed.
Step-by-step explanation:
2 + 5 + 8 + 9 = 24 and dividing it by four (which is something you have to do when finding the average or mean) will get you 6 as an answer. So by getting rid of 7 you have a final mean as 6.
Cross multiplication is applied here.
The first one will flash at every 30 sec and the second one at 20 sec. The second one will go like 1- 4- 8 and then to 12. By the time the second one will reach first at 6 and then on 12. So, after every 1 minute they will flash together.
Answer:
$16.80
Step-by-step explanation:
20 % of 20 is 4 and you would take the 4 off for a discount. 5% of 16 is 0.8 and you would add it since it's an additional tax.
A) because it is 2/3 past 1
