Emma and Briana invested some capital into a business. Emma's investment is supposed to yield 15% of the capital annually while Briana's should yield 10% annually. If Emma invested $300 and Briana invested $500, what will be the difference between their return-on-investment after 2 years?
15% of $300 is (15/100)*$300 = $
<gadget id="calculator">(15/100)*300</gadget>
<output>45</output>
45.
Emma will earn an annual ROI of $45 for 2 years for a total of $45*2 = $
<gadget id="calculator">45*2</gadget>
<output>90</output>
90
10% of $500 is (10/100)*$500 = $
<gadget id="calculator">(10/100)*500</gadget>
<output>50</output>
50.
Briana will earn an annual ROI of $50 for 2 years for a total of $50*2 = $
<gadget id="calculator">50*2</gadget>
<output>100</output>
100.
The difference between their ROI after 2 years is $100-$90 = $
<gadget id="calculator">100-90</gadget>
<output>10</output>
10.

<result>10</result>