Sally has realized she did not receive a full wage this week. Her bank account, which held $200 at the start of the week, now holds $420. She has received no other money into her bank account this week. If her weekly wage should be $300, how many dollars were withheld from Sally’s wage?
The wage she received was $420 - $200 = $
<gadget id="calculator">420-200</gadget>
<output>220</output>
220.
This means her wage was $300 - $220 = $
<gadget id="calculator">300-220</gadget>
<output>80</output>
80 short.

<result>80</result>