Question

1. convert 9 in = ______ cm

conversion factor: 1 cm = 0.394 inch
let $i$ = # of centimeters in 9 inches

proportion	____ = ____
simplify	(round to the nearest hundredth)

9 inches = ____________ centimeters
round to the nearest hundredth.
type a response

Explanation:

Step1: Set up proportion

$\frac{1\ \text{cm}}{0.394\ \text{in}} = \frac{j}{9\ \text{in}}$

Step2: Cross-multiply to solve

$0.394j = 1 \times 9$

Step3: Isolate and calculate $j$

$j = \frac{9}{0.394} \approx 22.84$

Answer:

22.84