Financial Math
Determine the Simple Interest amount of a loan with a $2,500 principle, 2.5% interest rate, for 24 months?
$125
A computer password must consisted of 2 letters followed by 3 digits followed by 2 letters. Determine the number of possibilities if repeition of letters and numbers is not permitted.
258,336,000
Find the median of the following data set:
15, 13, 11, 16, 17, 12, 13, 15, 12, 15, 10, 17
14
What is 35% of 250?
87.5
The mean score on a history test was 82 with a standard devition of 5. Find the z-score if a student scored a 78.
-0.8
Jasmine needs $25,000 to pay for college in four years. How much does she need to invest today in an account with a 4.5% interest rate, compounded monthly, in order to raise enough money? Round to the nearest cent.
$20,888.79
How many distinct ways can the letters in the word "Mississippi" be rearranged?
34,650
Find the midrange of the following data set:
15, 13, 11, 16, 17, 12, 13, 15, 12, 15, 10, 17
13.5
75 is 25% of what number?
300
In how many ways can 30 students be randomly assigned to 4 class officer positions?
27,405
What is the monthly payment on a 25 year loan of $300,000 if the annual interest rate is 7.25% compounded semiannually? Round to the nearest cent.
$130.80
Two cards are selected at random from a standard deck of cards without replacement. What is the probability that both cards are a Heart?
0.058 or 5.8%
Find the standard deviation of the following data set:
15, 13, 11, 16, 17, 12, 13, 15, 12, 15, 10, 17
2.33
A survey of 1250 high school students determined that 66% of students prefer to fall asleep with the tv on. How many students is that?
825
Macie must choose between 4 pairs of pants, 5 t-shirts, and 6 different hair clips. How many different outfits can she make?
120
Brandon used a fixed installment loan from his bank to finance a new car. He borrowed $25,000 for a loan term of 36 months for $667 each month. Instead of making his 18th payment, he decides to pay off the remaining balance on his loan. If the interest rate was 6.5%, how much interest will Brandon save? Round to the nearest cent.
$595.62
4 class officers must be selected from a group of 20 students on student council: president, vice president, treasurer and secretary. In how many ways can this happen?
116,280
John needs to average an 80% on his last 3 quizzes to get a B in his class. If he scores an 88% and a 79% on his first two quizzes, what must he score on his last quiz to maintain his 80% average?
73% or higher
The average score on the ACT in 2025 was 22, which was up from the previous average score of 20 in 2024. What is the percent increase from last year to this year?
10%
Two marbles are drawn without replacement from a box with 1 blue, 2 red, 2 green, and 3 white marbles. Find the probability that the second marble is red given that the first marble is white.
0.286 or 28.6%
Jennifer obtains a 40 year $350,000 mortgage at 5.5% on a house listed for $400,000. Her monthly payment, including principal and interest, is $1,675. How much of the total cost of the house will be interest?
$454,000
A card is drawn at random from a standard deck of cards. What is the probability that the card is an 8 or a black card?
7/13 or 0.538
The mean score on a math test was 75. with a standard deviation of 8. Find the probability that a randomly selected student scored higher than a 95.
0.0062 or 0.62%
The average SAT scores saw a percent decrease of 5% from last year to this year. If last year's average score was 1075, what was this year's average score? Round to the nearest whole number.
1021
A game at casino night costs $5 to play. You get one chance to roll a 6 with a standard six-sided die and if you win, you get $25. If you lose, you get nothing. What is the expected value of the game?
-$0.83