Answer:
4
Step-by-step explanation:
2/x = 5/10
Using cross products
2*10 = 5x
20 =5x
Divide each side by 5
20/5 = 5x/5
4=x
The unknown number is 4
Answer:
? = 4
Step-by-step explanation:
I am using x for ?
[tex]\frac{2}{x}[/tex] = [tex]\frac{5}{10}[/tex] ( cross- multiply )
5x = 20 ( divide both sides by 5 ) x = 4
The missing number is 4
