document.write( "Question 1193713: Topics In Contemporary Math\r
\n" ); document.write( "\n" ); document.write( " 21: Simple Interest\r
\n" ); document.write( "\n" ); document.write( "2) Hawkgirl borrowed $4000 from Bruce Wayne to purchase a new mace. But the Batman charges interest…in the night. He expects the full amount back, plus 15% interest. How much does Hawkgirl have to pay the Bat in total?
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Algebra.Com's Answer #825778 by math_tutor2020(3817)\"\" \"About 
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\n" ); document.write( "There isn't enough information. We're not given how long the loan duration is. \r
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\n" ); document.write( "\n" ); document.write( "However, as an example, let's say the timeline is exactly 1 year
\n" ); document.write( "Let's calculate the simple interest
\n" ); document.write( "i = P*r*t
\n" ); document.write( "i = 4000*0.15*1
\n" ); document.write( "i = 600
\n" ); document.write( "The $600 is the interest to be paid on top of the original $4000 borrowed.\r
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\n" ); document.write( "\n" ); document.write( "The total cost would be 4000+600 = 4600 dollars only if the loan payback duration is 1 year. The answer of course would be different for another value of t.
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