Q:

33 Divided by What Equals 21?

Accepted Solution

A:
33 Divided by What Equals 21? 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 33 by to equal 21? Solving 33 Divided by What Equals 21 Here’s how you would set up this question as an equation: 33 x = 21 \frac{33}{x} = 21 x 33 ​ = 21 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 33: 33 = 21 ∗ x 33 = 21*x 33 = 21 ∗ x Then we can isolate x on the right side of the equation by dividing both sides by 21: 33 21 = x \frac{33}{21} = x 21 33 ​ = 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 = 1.571 x = 1.571 x = 1.571 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 9 equals 2? 17 divided by what equals 39? What is 3/5 divided by 84? What is 11/18 divided by 1/15? What is 71 divided by 14/7?