39 Divided by What Equals 91?

Accepted Solution

39 Divided by What Equals 91? 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 39 by to equal 91? Solving 39 Divided by What Equals 91 Here’s how you would set up this question as an equation: 39 x = 91 \frac{39}{x} = 91 x 39 ​ = 91 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 39: 39 = 91 ∗ x 39 = 91*x 39 = 91 ∗ x Then we can isolate x on the right side of the equation by dividing both sides by 91: 39 91 = x \frac{39}{91} = x 91 39 ​ = 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 = 0.429 x = 0.429 x = 0.429 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 66 equals 61? 53 divided by what equals 62? What is 4/20 divided by 52? What is 18/9 divided by 7/3? What is 29 divided by 13/15?