Please help include an explanation please. Thank you.

9/20

Step-by-step

\frac{3}{5}\cdot \frac{3}{4}

=\frac{3\cdot \:3}{5\cdot \:4}

=\frac{9}{5\cdot \:4}

6.9

step-by-step explanation:

simple math really

6 1/2 times 0.6 = 3.9

but if you are just doing 6 and not 6 1/2 then the answer is 3.6