Equations
2x-7=-13
x=-3
The original temperature of a chemical is 48°. Its temperature rises by 15%; what is the new temperature?
-45+58
13
1/6
A scuba diver starts at sea level. He swims down 25 feet, then up 13 feet, then down 27 more feet. What is his final location relative to sea level?
39 feet below sea level
-3y+14=29
y=5
Ashley bought a collection of books for $15, which included a 25% discount. What do the books usually cost?
$20
517-998
-481
Probability of drawing a green slip of paper from a bag that has blue, green, purple, pink, yellow, orange, and turquoise slips.
1/7
A cliff diver is 28 feet above sea level. His final location is 24 feet below sea level. What was the distance of his dive?
52 feet
2(3x+2)=28
x=4
Gianna went to the bookstore. She bought a book which was originally $20, but was on sale for 10% off. How much did Gianna save when she bought the book?
$2
59-78+12
-7
The probability of rolling a number less than 3 on a 6-sided number cube.
2/6 (or 1/3)
A hiker starts at 100 feet above sea level. She climbs for 5 minutes at a rate of 8 feet per minute. Then she descends for 3 minutes at a rate of 6 feet per minute. What is her final elevation?
122 feet above sea level
-2x-5+7x=45
x=10
A fire department spent $900 to purchase new helmets and gloves. The amount included a 6% sales tax. What was the price of the equipment, to the nearest dollar, before tax?
$849
145+-678+455
-78
What is the probability of rolling the number 2 on a 6-sided cube 3 days in a row?
1/216
Ms. Rodriguez had $1245 in her bank account. She made two deposits of $85 each. Then she made 3 withdrawals of $60 each. Finally, she deposited a check worth $130. How much money does she have in her bank account?
$1365
2(x+3)-8=16
x=9
Mr. Santiago bought a pair of jeans that originally cost $125. They are on sale for 20% off. Then, a 7% sales tax is added. What is the final cost of the pair of jeans?
$107
311.9-78.6-441.8
-208.5
You have a spinner with 5 sections numbered 1-5. What is the probability of rolling the number 2 if you spin the spinner 3 times in a row?
1/125
Mr. Brown started at 128 feet above sea level. He began hiking down for 10 minutes at a rate of 11 feet per minute. He then jumped into the water, descending 50 more feet. What is his final location relative to sea level?
32 feet below sea level?