Writing an Equation
Nolan ate 3/5 of a pizza. Which equation represents the number of slices (p) Nolan ate if the pizza had 20 slices?
(3/5)p = 20
Tracy bought 3 items from the movie theatre snack bar. She spent at least $12.54. One of the items cost $3.50. Write an inequality you can use the find the cost of the other two items.
3.50 + 2x > 12.54
8 + r = 37
r = 29
9a < 28.8
a < 3.2
Graph: x – 2 > 4
x > 6
Annie had 12 stuffed animals. Then she got more stuffed animals. Let a represent the unknown number of animals Annie got. Annie has 19 stuffed animals altogether. Create an equation to represent the situation.
12 + a = 19
Monday Mr. Baker lifted 135 lbs at the gym. On Tuesday he lifted more. His two day total was over 285 lbs. Write an inequality you can use to determine the amount of weight Mr. Baker could have lifted on Tuesday.
135 + x > 285
(1/4)x = 12
x = 48
r - 5 > 25
r > 30
1/3x < 21
x < 21
Jim ate 1/8 of the number of grapes than Bill did. Which equation represents the number of grapes Jim ate, g, if Bill ate 23 grapes?
(1/8)g=23
Phillip shot 85 foul shots. He made more than 1/5 of the shots he took. Write an inequality to represent how many shots Phillip made
1/5x > 85
e - 3/4 = 2/3
e = 1 5/12
h > 1 1/15
6x > 12
x > 2
You found 10 nickels on the sidewalk. Then you found some more under your couch. Let n represent the unknown number of nickels you found.
You found 24 nickels altogether. Create an equation for this situation.
10 + n = 24
Eric had $50 when he left his house. When he returned, he had spent less than 1/4 of his money. Write an inequality to represent how much money Eric spent.
1/4x < 50
c/0.25 = 24
c = 6
j/12 < 60
j < 720
10 = z + 6
Michael Jordan was famous for scoring the majority of points in many games for the Bulls. During one of the games, his teammates scored a total of 60 points. Michael Jordan scored 56 points. Write an equation you can use to find the number of points scored by the Bulls.
56 + x = 60
A pitcher contains 2 2/3 cups of mint juice. Samantha adds some lemonade to the mint juice. If the pitcher holds at most 3 1/3 cups of mint lemonade, write an inequality to show many cups of lemonade could be added to the mint juice.
x + 2 2/3 < 3 1/3
Ross sets up a tent in his backyard for a party. If the tent measures 51.4 inches, after decreasing its height by 16.14 inches. Write an equation, then solve to find the height of the tent.
x − 16.14 = 51.4
x = 67.54 inches
Judy needs at least 2 3/8 yards of flannel to sew a skirt. She obtains 3/8 yards of flannel from the local market. Write and solve an inequality to determine how many yards she shoud get.
x + 3/8 > 2 3/8
x > 2 yards
1/3r = 7