For the first markdown, you would multiply 550 by 0.20. For the second, you would multiply what you got for the first one by 0.10.
<em>The</em><em> </em><em>value</em><em> </em><em>of</em><em> </em><em>X </em><em>is</em><em> </em><em>7</em><em>.</em>
<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>
<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em>
<em>Go</em><em>od</em><em> </em><em>luck</em><em> </em><em>on</em><em> </em><em>your</em><em> </em><em>assignment</em>
Answer:
The last place to the right before the decimal point is the ones place.
Each place to the left is 10 times greater.
The 1 is in the ones place.
The 2 is in the tens place.
The 0 is in the hundreds place.
The 4 is in the thousands place.
The 6 is in the ten-thousands place.
The 3 is in the hundred-thousands place.
The 6 is not in the thousands place since it is in the ten-thousands place.