Marcus needs to earn 50 points to win a pizza party in critical thinking. If Marcus has already earned 30 points, write and solve an equation to find the number of points he still needs.
30 + p = 50, p = 20
200
m + 22 = 118
m = 96
200
a - 0.5 = 1.25
a = 1.75
200
18x = 90
x = 5
200
b/12 = 11
b = 132
200
Shawna's mother gave her marbles for her birthday. Shawna lost 13 of them. If she has 24 marbles left, write and solve an equation to find how many her mother gave her.
m - 13 = 24, m = 37
300
7.2 + y = 19.5
y = 12.3
300
d - 7.55 = 14.95
d = 22.50
300
8.1 = 0.9y
y = 9
300
m/16 = 0.5
m = 8
300
Ashton has $18 in his wallet. This is 3 times the amount of money in his pocket. Write and solve an equation to find how much money Ashton has in his pocket.
3p = 18, p = 6
400
489.50 + p = 756.80
p = 267.30
400
m - 1/4 = 3/4
m = 1
400
2.55d = 17.85
d = 7
400
x/1.75 = 6
x = 10.5
400
Lester is buying a ham. He wants to divide it into 6.5 oz servings for 12 people. Write and solve a division equation to find what size ham Lester should buy.
h/6.5 = 12, h = 78 ounces
500
7/8 = y + 1/4
y = 5/8
500
s - 1/3 = 7/9
s = 10/9 or 1 1/9
500
(2/5)g = 3/5
g = 1 1/2
500
d/12 = 0.25
d = 3
500
Marcel is purchasing a board to build a bookcase. He wants to divide the board into 1.75 foot sections. He needs 6 sections. What size board does Marcel need? Write and solve an equation.