Write an equation for the following: The product of seven and a number, n, increased by four is 32.
7n + 4 = 32
100
Melissa bought 2 shirts that were each the same price, and she also spent $12.50 on a hat. She spent $54.66 in all. Write and solve an equation to show the price of each shirt.
2s + 12.50 = 54.66
Each shirt cost $21.08.
200
Show each step.
4/5 x 1/4 + (-5 + 2)
-2 4/5
200
Write a verbal expression that can describe t/2 - 4
ex) four less than the quotient of t and 2
200
-5x - 3 = 32
x = -7
200
Eight less than one-half of a number, x, is nine.
1/2x - 8 = 9
200
Tim is four years older than half of his brother's age. Tim is 10 years old. Write and solve an equation to find how old Tim's brother is.
1/2b + 4 = 10
Tim's brother is 12 years old.
300
x = -2.6 and y = -5 1/4, what is the value of xy?
13.65
300
the quotient of x and 5, increased by nine
x/5 + 9
300
x/4 - 5.5 = 3.8
x = 37.2
300
After David ate 2.5 cookies, there were 3.5 cookies left.
Write an equation to show how many cookies there were to begin with.
c - 2.5 = 3.5 (best) or 3.5 + 2.5 = c
400
If a = -2 and b = -3.8, what is the value of a2 + 2b?
-3.6
400
eight less than the product of 5 and a number n
5n - 8
400
1 1/2 t + 5 = 2 3/4
t = -1 1/2
400
Ryan walked two more than three times as many minutes this week than last week. This week he walked for 48 minutes.
Write an equation that can be used to find how many minutes he walked last week.