Question 1139135
Bank A:
{{{ A = P*( 1 + r/n )^(n*t) }}}
{{{ A = 900*( 1 + .04/12 )^( 12*3 ) }}}
{{{ A = 900*( 1.00333 )^36 }}}
{{{ A = 900*1.12727 }}}
{{{ A = 1014.54 }}}
{{{ I = 1014.54 - 900 }}}
{{{ I = 114.54 }}}
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Bank B:
{{{ I = P*r*t }}}
{{{ I + P = P*( 1 + r*t ) }}}
{{{ I + P = 900*( 1 + .05*3 ) }}}
{{{ I + P = 900*1.15 }}}
{{{ I + P = 1035 }}}
{{{ I = 1035 - 900 }}}
{{{ I = 135 }}}
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Bank B earns the most interest
check the math