"Combinations" isn't really the right word, because a combination doesn't take order of elements into account, and the outcome of a race certainly does depend on order. "Permutations" would be the correct term.
If 4 students are competing, then the race has
4! = 4 • 3 • 2 • 1 = 24
possible outcomes.
40% of $300
REMEMBER: "of" is multiplication.
You convert 40% to decimal.
40% =40/100
Move the decimal two places to the left since 40 is divided by 100.
So, it's 0.4.
0.4 multiply by 300 is 120.
40% of $300 is 120.
1st is to make the numbers into ratios. Basically taking the two numbers and putting them in the middle. I’ll do the 1st 15:36.
Next you put it into a fraction: 15/36
Put in the comments if you want me to do all or if you have any questions!
Her total cost with 7% sales tax and 20% tip is $32.26
What is the total amount Bea spent before tax and tip?
The total amount Bea spent before sales tax and the tip of 20% given to the attendant is the sum of the cost of drink, appetizer and the sandwich
Total cost before tax and tip=$2.75+$8.50+$14.15
Total cost before tax and tip=$25.40
The sales tax is 7% of $25.40
sales tax=7%*$25.40
sales=$1.78
Tip is 20% of $25.40
tip=20%*$25.40
tip=$5.08
Total cost=Total cost before tax and tip+sales tax+tip
Total cost=$25.40+$1.78+$5.08
Total cost=$32.26
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Answer:27,609
Step-by-step explanation: