Addition Equations
Zach and Paul together have $756.80. If Zach has $489.50, how much does Paul have? Write and solve an addition equation to find how much money Paul has.
489.50 + p = 756.80
p = $267.30
Pete is 15 years old. This is 6 years younger than his sister Victoria. Write and solve a subtraction equation to find Victoria's age.
a - 6 = 15
a = 21
A jewelry store is selling a set of 4 pairs of earrings for $58. Including tax, Neva and three of her friends want to buy the set so each could have one pair of earrings. Write and solve a multiplication equation to find how much each person should pay.
4e = 58
e = 14.50
The weight of an object on the Moon is one sixth of its weight on Earth. If an object weighs 35 pounds on the Moon, write and solve a division equation to find its weight on Earth.
w/6 = 35
w = 210
Factor the expression 24x + 18y
6(4x + 3y)
The average length of a King Cobra is 118 inches, which is 22 inches longer than a Black Mamba. Write and solve an addition equation to find the average length of a Black Mamba.
m + 22 = 118
m = 96
A CD costs $14.95. This is $7.55 less than the cost of a DVD. Write and solve a subtraction equation to find the cost of a DVD.
d - 7.55 = 14.95
d = 22.50
Peter and Simon walked 680 miles to the South Pole. The trip took 58 days. Suppose they traveled the same distance each day. Write and solve a multiplication equation to find about how many miles they traveled each day. Round to the nearest whole number.
58m = 680
m = 12
Sophia is buying party favors. She has a budget of $2.75 a person for 6 people. How much can Sophia spend on party favors? Write and solve a division equation.
f/2.75 = 16.50
Evaluate
25 x (5 - 2) / 5 - 12
3
Solve.
a + 1/10 = 5/10
a = 2/5
Roger's roller blades cost $70.25 less than his bike. His roller blades cost $43.50. How much did the bike cost? Write and solve a subtraction equation.
b - 70.25 = 43.50
b = 113.75
1 3/10b = 39
b = 30
p/4 = 5
p = 20
60r - 4
6
m + 1/3 = 2/3
m = 1/3
m - 1/3 = 2/3
m = 1
1/2e = 1/4
e = 1/2
w/6 = 17
w = 102
Each bottle holds 16 fluid ounces of water. Bottles are packaged in 4 rows of 6 bottles. How many ounces of water are in each package?
384 fluid ounces
y + 1/4 = 7/8
y = 5/8
s - 1/3 = 7/9
s = 10/9 or 1 1/9
2/5g = 3/5
g = 1 1/2
g/3.2 = 4.7
g = 15.04
What are the coefficients in the following term?
4y + 5 + 3y
4 and 3