Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges 0.11 for each minute of calls. The second plan has a 16 monthly fee and charges an additional .07 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

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the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

$75.00

step-by-step explanation:

i = prt

i = 1,5000 * 0.025 * 2

i = 75