The number of eggs "e" increased by 3 equals 14.
Write an equation.
e + 3 = 14
200
n + 32 = 39
n = 7
200
18 = j - 9
j = 37
200
4y = 0
y = 0
200
x/12 = 12
x = 144
200
Ted took 17 pictures at the aquarium. He now has 7 pictures left on the roll. Write and solve a subtraction equation to find out how many photos Ted had when he went to the aquarium.
x - 17 = 7 ; x = 24
300
93 = h + 15
h = 78
300
109 = r - 45
r = 154
300
81 = 9y
y = 9
300
14 = c/5
c = 70
300
In 1975, a person earning minimum wage made $80 for a 40-hour work week. What was the minimum wage per hour in 1975?
Write and solve an equation.
**Hint** Multiplication Problem
40x = 80 ; x = 2
400
t + 17 = 43
t = 26
400
13 = m - 5
m = 18
400
10x = 120
x = 12
400
c/4 = 12
c = 48
400
All the seats in the theater are divided into 6 groups. There are 35 seats in each group. Using the variable s, write and solve a division equation to find out how many seats there are in the theater.
s/6 = 35 ; s=210
500
25 + m = 47
m = 22
500
p - 13 = 111
p = 124
500
135 = 3y
y = 45
500
c/4 = 15
c = 60
500
There are 16 ounces in on pound. A box of nails weighs 4 pounds. Using the variable w, write and solve a division equation to find how many ounces the box weighs.