I'm assuming you meant express 4/5 as a percent and not 4/5%. So simply evaluate 4/5 to get 0.80. Now multiply this value by 100 to get the percentage which gives you 80%

5 0

1 year ago

The mean age of 5 people in a room is 40 years. A person enters the room. The mean age is now 40. What is the age of the person

ad-work [718]

Answer:

Step-by-step explanation:

5 people in the room have 5*40 = 200 years altogether

a new person is X years old.

Now 6 people have (200 + x) years altogether.

Mean age of 6 people is (200+x)/6. and it is also = 40.

So,

(200+x)/6 = 40

200 + x = 240

x = 40

6 0

3 years ago

Jennifer has $400. She bought a dress worth $343. She

Anuta_ua [19.1K]

Answer:

hmm i think its dependent!

srry if im wrong tho

8 0

3 years ago

Please answer this correctly

goblinko [34]

Answer:

Car: 60%

Motorcycle: 30%

Truck: 10%

Step-by-step explanation:

Car: $\frac{12}{12+6+2} =\frac{12}{20} =\frac{60}{100}$ or 60%

Motorcycle: $\frac{6}{12+6+2} =\frac{6}{20} =\frac{30}{100}$ or 30%

Truck: $\frac{2}{12+6+2} =\frac{2}{20} =\frac{10}{100}$ or 10%

7 0

3 years ago