I believe the answer to the question is 78
N= numbers
x= x-ray
4 unknown number equal a unknown amount of x-rays mutiplyed but 5-unknow number.
x can stand for anything and so can n
The height would be 3 feet because it would be just tall enough to be waist level
3/4 hour
1/12 hour
he has 45 mins to make cards
he can make 1 card in 5 mins
45 divided by 5 is 9
He can make 9 cards in 3/4 of an hour.
Answer:
49%
Step-by-step explanation:
465 + 485 = 950
465/950 = .489
.489 * 100 = 48.9, round up for 49 to get 49%, since it's only focused on people who tested positive, you would only have to compare the people in that column