Answer:
$13.50
Step-by-step explanation:
9 9/10 = 9.90
6 3/5 = 6.60
x = 30.00 - 9.90 - 6.60
x = 13.50
you can work it out or put in random numbers until the two sides are equal
It's very difficult to understand the chart.Can you please take a screenshot of the chart?