Ratios and proportions
A grocery store has salmon on sale for $5.50 per pound. If Andres spent $13.75 on salmon, how many pounds of salmon did he buy?
2.5 pounds
In a drawer,there are 6 white socks, 5 blue socks, and 4 black socks. If one sock is pulled out at random, what is the probability that it will not be white?
simplify your fraction to the lowest terms
3/5
if x = 4, what is the value of x(5x-16)
16
Regina wants to donate 15% of her paycheck to charity. If she receives a paycheck of $300,how much money will she donate?
$45
-8 < -2x < 12
-6 < x < 4
Henry traveled 225 miles in 5 hours, and Demi traveled 350 miles in 7 hours. how much greater was Demi's mean speed in miles per hours than Henry's
5 mph more
there are 18 marbles, 4 are blue, 7 black, 5 green, and 2 pink. suppose you choose randomly from the the marbles, what is the probability that you will choose a pink marble?
simplify your fraction to the lowest terms
1/9
if x=2, and y= 4, what is the value of 3x^2+6y
36
Andrew has a coupon for 20% off of the price of any CD. If she purchases a CD originally priced at $16,what will the discounted price be?
$12.80
-16 < 2x < 8
-8 < x < 4
if 39/6 = x/18, what is the value of x?
117
There are 35 books in a shelf. 10 are non-fiction, 5 are fiction, 12 are thriller, 8 are encyclopedias. suppose you choose at random, what is the probability of not choosing a non-fiction book?
simplify your answer to the lowest terms
5/7
if y= 3 what is the value of y(5x + 7z)
15x + 21z
Athena bought a shirt that was on discount 25% of the original price, if the original price was $35.25, what is the new price of the shirt?
Round your answer to the nearest hundrenth
$26.44
7>-3x> -12
-7/3 < x< 4
Andre and Michelle are cleaning houses for money. It takes Andre 25 minutes to clean the Living Room. It takes Michelle 20 minutes to clean the Living Room. How much will it take Andre and Michelle to clean 12 living rooms?
Andre: 5 hrs
Michelle 4 hrs
In a game there are 6 white cards, 5 green cards, 3 red cards, and 6 yellow cards. What is the probability of getting a white card or yellow card.
simplify your answer to the lowest terms
3/5
If N=4 then, 2(n/8)
1
Mandy is buying a MacBook which cost $870, it is on discount for 15%. Also there is a 5% sales tax. what is the new price including sales tax
$776.48
7x +10 < 45
x < 5
It takes 1.5 minutes to fill 2 gallon in a public pool. How much will it take to fill a Pool if it needs 1,350 gallons.
Round it to the nearest whole number.
17 hrs
There 10 black marbles, 4 blue marbles, 5 white marbles, and 6 red marbles. if two marbles are drawn at random without replacement, what is the probability that the marbles removed are not red.
7/20
If y= 8, then Y(18+6^2)
432
Tyler is buying airpods that cost $110. There is a discount of 5%. Also, there is a 8% sales tax. What will the final price of the airpods be?
$112.86
6x + 8 > 50
x > 7