Solving for a variable
x + 3 = 17
14
Wayne sold 234 pineapples and oranges. He sold p pineapples. Which expression represents the number of oranges sold?
a) 234 - p
b) 234 + p
c) 234 div p
d) 234 * p
I play a video game for x minutes a day. Write an expression to show how many minutes I play in a week.
7x
5 (x + 5) =
5x + 25
67 - t = 34
t = 33
Pam put pink frosting on one-fourth of the cookie she made. If y is the total number of cookies she made, which expressions shows the number of cookies with pink frosting?
a) 1/4*y
b) y - 1/4
c) 1/4 + y
d) y ÷ 1/4
a
You pay $1.56 for 4 pounds of bananas. Write and solve an equation to find how much it costs for one pound of bananas.
$1.56 ÷ 4 = p
$0.39 = p
7 (y - 2) =
7y -14
d = 5
Adam's age is twice Josh's age plus 6 years. If x represents Josh's age, which expression represents Adam's age?
a) x + 2(6)
b) 2x - 6
c) 2x + 6
d) 2(x+6)
Anari is selling candy bars. King-size candy bars costs $2 and regular size candy bars costs $1.50. If Anari sold 10 king size candy bars and x regular size candy bars, write an expression showing the total amount of money collected by Anari
20 + 1.50x
2x(6 - 4)
12x- 8x = 4x
t/5 = 7
t = 35
I made 3 trays with x cookies on each tray. I ate 15 of them. Which expression shows how many cookies I have left?
a) 3x +15
b) 3x -15
c) 15 - 3x
d) 12x
b
Write a scenario that could be represented by the expression $14.99x + $1.50.
Lots of options
1/4(x - 8)
1/4x - 2
1/4d = 12
d = 48
4 busses with y students each are driving to school. On the way, each bus picks up 12 students.
4y + (4x12)
4y +48
Write a scenario to describe 5x - 32.
Answers vary
.5 (y + 32 + b)
.5y + 16 + .5b