its I=prt so plug it in I=300(.06)3 i got .06 because you have 6% you have to move the decimal the left twice 0.06 is what you get now its basic multiplying 300 times .06 times 3 so it would be 54 I=$54 the balence you get from adding the P to the I so the balence would be 356 Bal=$356
