Question

Help me I need to find this problem and explain It PLS

Answer 1

Cross multiplication:
2 . 4=8
5 . x =5x
5x = 8
x = 8/5

Answer 2

Answer:

x = 8/5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

$\frac{x}{4} = \frac{2}{5}$

Step 2: Solve for x

1. Cross multiply:                     5x = 8
2. Isolate x:                               x = 8/5