a. Determine whether the ratios 10/20 and 30/60 can form a proportion by finding a common multiplier.

b. Show that the ratios in part (a) are equal by writing them in simplest form.

Please explain how you got the answers to these questions.

Question

a. Determine whether the ratios 10/20  and 30/60 can form a proportion by finding a common multiplier.

b. Show that the ratios in part (a) are equal by writing them in simplest form.

Please explain how you got the answers to these questions.

anonymous · Answer

You know how to find common multipliers for just two numbers?

anonymous · Answer

b)
$$\frac{ 10 }{ 20 }=\frac{ 30 }{60 }=>10*60=20*30$$  which is true