55 Divided by What Equals 20?

Accepted Solution

55 Divided by What Equals 20? 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 55 by to equal 20? Solving 55 Divided by What Equals 20 Here’s how you would set up this question as an equation: 55 x = 20 \frac{55}{x} = 20 x 55 ​ = 20 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 55: 55 = 20 ∗ x 55 = 20*x 55 = 20 ∗ x Then we can isolate x on the right side of the equation by dividing both sides by 20: 55 20 = x \frac{55}{20} = x 20 55 ​ = 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 = 2.750 x = 2.750 x = 2.750 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 75 equals 96? 77 divided by what equals 56? What is 5/9 divided by 65? What is 13/8 divided by 11/6? What is 9 divided by 2/3?