Pima invested $400 in Ethereum. In the first week, it gained 25% in value. In the second week, it gained an additional 50% on top of the previous gain. How much is her investment worth now?
For the first week, her investment gain is $400 * 25% = $
<gadget id="calculator">400*25*.01</gadget>
<output>100</output>
100.
This leaves her investment with a value of $400 + $100 = $
<gadget id="calculator">400+100</gadget>
<output>500</output>
500.
For the second week, her investment increased by $500 * 50% = $
<gadget id="calculator">500*50*.01</gadget>
<output>250</output>
250.
Pima's investment in Ethereum is now worth a total of $500 + $250 = $
<gadget id="calculator">500+250</gadget>
<output>750</output>
750.

<result>750</result>