5. ravi purchased 3 dvds for $19.99 each. find the total cost for the dvds including 5% gst and 6% pst.

Explanation:

Step1: Calculate cost of 3 DVDs

Cost of one DVD is $19.99. For 3 DVDs, total cost before tax is $19.99 \times 3 = 59.97$.

Step2: Calculate total tax rate

GST is 5% and PST is 6%, so total tax rate is $5% + 6% = 11%$ or 0.11 in decimal.

Step3: Calculate tax amount

Tax on $59.97$ is $59.97 \times 0.11 = 6.5967$.

Step4: Calculate total cost including tax

Total cost = cost before tax + tax = $59.97 + 6.5967 = 66.5667 \approx 66.57$.

Answer:

The total cost for the DVDs including tax is approximately $$66.57$.