Solving Equations with variable(s) on one side.
Solving Equations with variable(s) on both sides.
Proportions
Literal Equations & Formulas
Percents
100
7(s - 5)=42
What is 11.
100
6 - 0.25f = f - 3
What is 7.2
100
Convert 135 seconds to minutes.
What is 2.25 minutes.
100
Solve for x: ax + bx = -c
What is x = -c /(a + b)
100
What percent of 37 is 11?
What is 300%.
200
3.4t+0.08=11
What is about 3.2 or 3 18/85
200
3(h - 4) = (1/2)(24 - 6h)
What is infinitely many solution, it is an identity.
200
If a baseball travels at 90 miles/hour, how many seconds does it take to travel 60 feet?
What is 5/11 or about 0.45 seconds.
200
Solve for x: m - 3x = 2x + p
What is x = (m - p) / 5
200
A gardener expects 75% of the seeds she plants will produce plants. She wants 45 plants. How many seeds should she plant?
What is 60 seeds.
300
(2/7)x + (4/5) = 5
What is 14.7
300
5n = 20(4 + 0.25n)
What is no solutions.
300
6 / 15 = a / 4
What is 1.6
300
What is the width of a rectangle with length 5.5 cm and area 220 cm^2
What is 40 cm
300
In 1970, the US population was about 205 million people. In 2007, it was about 301 million. What was the percent increase?
What is about 47%
400
You work 4 hours Saturday and 8 hours Sunday. You also get a $50 bonus. You earn $164. How much did you earn per hour?
What is $9.50 4h + 8h + 50 = 164
400
Two buildings have the same total height. One building has 8 floors with height h. The other building has a ground floor 16 ft and 6 other floors with height h. Write and solve an equation to find the height h of these floors.
What is 8 feet. 8h = 16 + 6h
400
5 / (2c - 3) = 3 / (7c + 4)
What is -1.
400
What is the radius of a circle with circumference 94.2 mm?
What is 15 mm.
400
You buy a corporate bond for $500, earning 4% simple interest. After 8 years, how much interest will you make?
What is $160.
500
Online concert tickets cost $37 each, plus a service charge of $8.50 per ticket. The website also charges a transaction fee of $14.99 for the purchase. You paid $242.49. How many tickets did you buy?
What is 5 tickets. 37t + 8.50t + 14.99 = 242.49
500
A train makes a trip at 65 miles/hour. A plane traveling 130 miles/hour makes the same trip in 3 fewer hours. Write and solve an equation to find the distance of the trip.
What is 390 miles. (d/65) = (d/130) + 3
500
An airplane has a wingspan of 25 ft and a length of 20 ft. You are designing a model of the airplane with a wingspan of 15 in. What will be the length of your model?
What is 12 inches.
500
A triangle has height 15 in. and area of 120 in.^2. What is the length of its base?
What is 16 in.
500
You ordered a medium pizza (diameter of 8 inches) but due to a mistake at the shop, you actually receive a large pizza (diameter or 12 inches). How much larger is your pizza than expected?
What is 56% larger.
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