81 Divided by What Equals 54?

Accepted Solution

81 Divided by What Equals 54? Methods Setting up the problem: In a problem like this, the “what” means that we’re working with a variable. The most common variable used in math is “x”. So we could say what number, x can we divide 81 by to equal 54? Solving 81 Divided by What Equals 54 Here’s how you would set up this question as an equation: 81 x = 54 \frac{81}{x} = 54 x 81 ​ = 54 The goal of the problem is to solve for x. To do this we need to change the equation so that x is alone on one side of the equation.In this case, it can be done in two steps. The first step is to multiply both sides by x to isolate 81: 81 = 54 ∗ x 81 = 54*x 81 = 54 ∗ x Then we can isolate x on the right side of the equation by dividing both sides by 54: 81 54 = x \frac{81}{54} = x 54 81 ​ = x When we simplify the new equation, we can solve for x. In this example, we will round to the nearest three decimal places if that’s needed. x = 1.500 x = 1.500 x = 1.500 Practice Other Division Problems Like This One If this problem was a little difficult or you want to practice your skills on another one, give it a go on any one of these too! What divided by 30 equals 45? 55 divided by what equals 12? What is 18/16 divided by 50? What is 13/6 divided by 20/9? What is 36 divided by 3/4?