Kedar is comparing the costs of phone plans. for phone plan a, the cost is $15.00 to connect and then $0.02 per minute. for phone plan b, the cost is $4.69 to connect and then $0.08 per minute. for what usage does plan a cost the same as plan b

 After 172 minutes (approx) the usage of plan A is same as the plan B.

Step-by-step explanation:

Here, For phone plan A, the cost is $15.00 to connect and then $0.02 per minute.

And, For phone plan B, the cost is $4.69 to connect and then $0.08 per minute.

Let after x minutes the total usage of plan A is same as plan B.

Therefore,

Thus, after 172 minutes (approx) the usage of both plan will be same.

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%