### Home > MC2 > Chapter 9 > Lesson 9.1.3 > Problem 9-28

9-28.

Use cross multiplication.

35 · 100 = 70*x*

3500 = 70*x*

Use the inverse to undo.

*m* = 4

Use a Giant One to find the equivalent ratio.

*x* = 2.4

Try using one of the methods presented in either part (a), (b), or (c).