EQUIVALENT EXPRESSIONS
36+20 = ____
56
8+x=10
x= 2
Is the rate 2 feet per second and 2 seconds per foot the same?
No
What is an equivalent rate to 1:4
2:3
4:5
4:16
3:20
4:16
What is 25% of 400?
4(9+5)
Use substitution to determine if 2 is a solution of the equation 3x+12.
3(2)=6, not 12, so 2 is NOT a solution of an equation.
A runner travels 60 feet in 4 seconds. What is the runner's rate in yards per minute?
300 yards per minute
Bryan spends $16 for 2 pounds of turkey. What is the turkeys cost per pound?
$8 per pound
The drama club wants to sell 600 tickets, and so far they have sold 20% of their tickets. How many tickets have they sold so far?
120 tickets.
3(4W+2)
12W+6
Use substitution to determine if 5 is a solution of the equation 10 = 2x.
2(5)=10, so 5 IS a solution of the equation.
A model train takes 10 seconds to travel on a track that is 5 yards long. At this rate, how many feet does the model train travel every minute?
90 ft per minute
A chicken rice soup recipe calls for 5 cups of chicken broth per cup of brown rice. How many cups of brown rice is needed for 20 cups of chicken broth?
4 cups
Becky buys a jar of 100 dog treats. In one month, she has given her dogs 80 treats. What percent of dog treats has she given out?
80%
15m+1+3m
18m+1
The total weight of a package is equal to the weight of the empty box plus the weight of the contents of the box. The contents of the box weigh 12 lb.
write an equation that shows how to use the total weight of the package, t, in pounds, to find the weight of the empty box, b, in pounds.
b=t-12
A car travels 20 km in 29 minutes. What is the car's rate in meters per second?
11.49 meters per second.
Ashton jogs 6 laps in 15 minutes. How long will it take her to jog 16 laps?
It will take Ashton 40 minutes.
Carolina has won 19 out of 25 games, while Ashely has won 17 out of 20 games. Who has the better winning record?
Ashley
Are they equivalent expressions?
2x+3(x+y)+4 and 5x+y+2(y+2)
5x+3y+4
yes
The total weight of a package is equal to the weight of the empty box plus the weight of the contents of the box. The contents of the box weigh 12 lb.
What is the independent variable? What is the dependent variable?
Independent: t
Dependent: b
A can contains 4 cups of pineapple juice. The can of juice costs $2.56. What is the unit price in dollars per fluid ounce? (8 fluid ounce = 1 cup).
$0.08 per fluid ounce
Chloe is driving 200 miles from L.A. She drives at a constant speed of 55 miles per hour. Can she make it L.A. in 3.5 hours?
No, it will take her longer.
At a basketball game, the home team scores 60% of the points. The home team scores 45 points. How many points are scored in all?
74 points