The equation h - 120 = 80 may be used to find the original height h in feet of an elevator before it descended. what was the original height of the elevator?
What is h = 200 feet.
200
23.7 - 8.4=
What is 15.3
200
n - 13 = 2; n = 15
What is a solution.
200
18 + x = 46
What is x = 28
200
c > -1 ; c = 0
What is a solution.
200
Anne runs 6 laps on a track. she runs a total of 1 mile or 5280 feet. Use the equation to find the distance in feet that she runs in each lap. 6d = 5280
What is d = 880 feet.
300
14 x 6.8 =
What is 95.2
300
.5r = 14; r = 26
What is not a solution.
300
2/5w = 40
What is w = 100
300
n < 9.8 ; n = 11
What is not a solution.
300
The inequality t<-4 represents the temperatures t of the ice at an ice rink in degrees Celsius. Which best describes a number line showing the graph of the solutions of the inequality?
What is an empty circle at -4 with arrow to the left.
400
23.8 ÷ 3.4 =
What is 7
400
d/7 = 49; d = 7
What is not a solution.
400
4 = p/15
What is p = 60
400
g > 1/4 ; g = 1/5
What is not a solution.
400
A biologist divides a water sample equally among 8 test tubes. Each test tube contains 8 milliliters of water. Use the equation x/2 = 8 to find the total volume of the water sample.
What is x = 16.
500
5 1/4 - 2 1/2 =
What is 2 3/4
500
15.5 - y = 7.9; y = 8.4
What is not a solution.
500
v/8 = 24.5
What is v = 196
500
a ≥ 2/3 ; a = 3/4
What is a solution.
500
The Patriots scored 19 more points than the Steelers. The Patriots scored 36 points. Write an equation that could be used to find the number of points x that the Steelers scored.