Qand r are independent events. p(q)=12/17 and p(r)=3/8 find p(q and r). write your answer in simplest form.

For independent events, multiply their individual probabilities.

P(Q and R) =

= P(Q) * P(R)

= 12/17 * 3/8

= (4 * 3 * 3)/(17 * 4 * 2)

= 9/34

3x + 4y -25 =0 represents the amount of change sianna should recieve