One Step
3x = 12
4
m / 2 = -10
-20
Joe earns $6 per hour helping his friend. Write an equation to find how many hours he needs to work.
6h = 48
Simon is spending 3 /5 of his monthly allowance on candy. He plans to spend $24. Write and solve an equation to find the amount of Simon's monthly allowance.
3 / 5x = 24 ; 40$
1.2 x = 6
5
-6a = 36
-6
y / -3 = -8
24
Sharks can swim at an average speed of 25 miles per hour. At this rate, how far can a shark swim in 2.4 hours? Use r = d / t
60 miles
0.4x = 2.8
7
2 / 5 x = 12 / 25
6 / 5 or 1 1 /5
-9d = -72
8
30 = b / -6
-180
Fred's car can travel an average of 24 miles on each gallon of gas. Write an equation to find how many gallons of gas he will need for a trip of 348 miles.
24x = 348
2x + 3 = 9
3
-3.6x = -10.8
3
24 = -8x
-3
1 / 2 x = 8
16
A race car travels at a rate of 205 miles per hour. At this rate, how far would it travel in 3 hours. Use r = d/t. Write the equation and solve.
205 = d / 3 ; 615 miles
Equation that has two different operations in order to solve.
Two - step equation
- 3 / 4x = 9
-12
7m = -28
-4
- 3 / 4 x = 9
-12
Sara needs 2 / 3 yard of fabric to make each shirt for a cat sweater. Write and solve an equation to find how many shirts she can make with 6 yards of fabric.
2 /3 x = 6 ; 9 shirts
Ben wants to buy some CDs that each cost $14, and a DVD that costs $23. He has $65. Write and solve and equation to find how many CDs he can buy.
14c + 23 = 65 ; 3 CDs
7 / 8x = 5 / 6
40 / 41 or 20 / 21