3 years ago

How many ways can first, second, and third place be awarded in a race of 20 people?

1 answer:

Volgvan3 years ago

3 0

That would be 20 x 19 x 18 which equals 6840.
After first place is chosen, 19 spots left and so on.
The answer is 6840 ways.

You might be interested in

Kelley Mart

Anvisha [2.4K]

Answer:

Vx,x, y,x,y

Step-by-step explanation:

8 0

3 years ago

You earn a new a weekly allowance of five dollars and your neighbor is paying you 7.50 per hour for shoveling the driveway how m

Leokris [45]

Answer:

Hours of work= 3.5

Step-by-step explanation:

Giving the following information:

Allowance= $5

Hourly pay= $7.5

Desired profit= $31

<u>To calculate the number of hours to work, we need to use the following formula:</u>

Hours of work= shoveling pay / hourly pay

Hours of work= (31 - 5)/7.5

Hours of work= 26/7.5

Hours of work= 3.5

6 0

3 years ago

A city doubles its size every 99 years. If the population is currently 600,000, what will the population be in 198 years?

mr_godi [17]

Divide 198 by 99 to get 2. The current population is 600000 so multiply that by itself to get 360000000000, multiply that number by itself to get 1.296E23

8 0

4 years ago

Read 2 more answers

ABC~DEF <br><br> 2.8 proportions and similar figures

ollegr [7]

Answer:

Step-by-step explanation:

AB/DE = BC/EF = AC/DF

7 0

3 years ago

Kevin and Benny earn a combined income of $3100 per week. Kevin earns $700 more than Benny. Find the amount of money that Kevin

Daniel [21]

Answer:

Kevin makes $850

Step-by-step explanation:

4 0

3 years ago