45 Divided by What Equals 18?

Accepted Solution

45 Divided by What Equals 18? 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 45 by to equal 18? Solving 45 Divided by What Equals 18 Here’s how you would set up this question as an equation: 45 x = 18 \frac{45}{x} = 18 x 45 ​ = 18 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 45: 45 = 18 ∗ x 45 = 18*x 45 = 18 ∗ x Then we can isolate x on the right side of the equation by dividing both sides by 18: 45 18 = x \frac{45}{18} = x 18 45 ​ = 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 = 2.500 x = 2.500 x = 2.500 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 19 equals 58? 5 divided by what equals 2? What is 10/9 divided by 11? What is 6/8 divided by 2/3? What is 55 divided by 19/12?