Question

Use the cross product property to solve the proportion5/r = 9/10​

Answer 1

Answer:

$5.\overline{55}$ or  $5\frac{5}{9}$

Step-by-step explanation:

$\frac{5}{r} =\frac{9}{10}$

We multiply the cross values of 5 and 10

5 × 10 = 50

Now we divide by the remaining number, 9

$50 \div 9 = 5.555555...$

So, r = $5.\overline{55}$

As a fraction, this is $5\frac{5}{9}$

Hope this helped!

Answer 2

Answer:

5 5/9 = r

Step-by-step explanation:

5/r = 9/10​

Using cross products

5 * 10 = 9 * r

50 = 9r

Divide by 9

50/9 = r

5 5/9 = r