# What is the equation to represent the situation?

## What is the equation to represent the situation?

A situation equation is an equation that represents the situation of the story problem. A solution equation is an equation that shows the operation needed to solve for the variable. Variable is a letter used to represent the unknown number.

## How do you calculate ratio problems?

How to solve a ratio problem

1. Add together the parts of the ratio to find the total number of shares.
2. Divide the total amount by the total number of shares.
3. Multiply by the number of shares required.

How do you solve a 3 way ratio problem?

To calculate a ratio of 3 numbers, we follow 3 steps:

1. Step 1: Find the total number of parts in the ratio by adding the numbers in the ratio together.
2. Step 2: Find the value of each part in the ratio by dividing the given amount by the total number of parts.
3. Step 3: Multiply the original ratio by the value of each part.

### How do you work out ratios on a calculator?

Press the divide button, enter the greatest common factor and press the equals button. Write this number down. In this example, you work out 84 รท 12 = 7. Express your ratio using the number in Step 3 and the number in Step 5.

### How do you calculate ratios with examples?

What is the easiest way to calculate a ratio?

1. Find the total number of parts โ if the ratio is 3:2, the total is 5.
2. Divide the figure by the number of parts to find the sum of one part โ \$30 divided by 5 = 6. One part is 6.
3. Multiply each number in the ratio by the value of one part โ 3 x 6 and 2 x 6.

What are the slope-intercept form of each equation?

The slope-intercept form is written as y = mx+b, where m is the slope and b is the y-intercept (the point where the line crosses the y-axis). It’s usually easy to graph a line using y=mx+b. Other forms of linear equations are the standard form and the point-slope form.

## How do ratios work in math?

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0. A proportion is an equation in which two ratios are set equal to each other. For example, if there is 1 boy and 3 girls you could write the ratio as: 1 : 3 (for every one boy there are 3 girls)