A discount pass for a bridge costs $30 per month. The toll for the bridge is normally $5, but is reduced to $3.50 for

Question

A discount pass for a bridge costs $30 per month. The toll
for the bridge is normally $5, but is reduced to $3.50 for
people who have purchased the discount pass. Determine
the number of times in a month the bride must be crossed
so that the total monthly cost without the discount pass is
the same as the total monthly cost with the discount pass.

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Edana Edana 25 mins 2023-01-07T14:14:22+00:00 1 Answer 0 views 0

Answer ( 1 )

  1. Cherry
    0
    2023-01-07T14:15:37+00:00
    Reply
    The bridge must be crossed 20 times to make the monthly costs equal.
    According to the statement
    We have to find that the number of times in a month the bride must be crossed.
    So, For this purpose, we know that the
    To determine the number of times in a month.
    Then
    Let n = the number of times in a month the bridge is crossed.
    Let C = monthly cost
    With pass:
    C = 30+3.5n
    without pass:
    C=5n
    Then Substitute the values in the place of the C. So, The equation become
    30+3.5n=5n
    1.5n = 30
    n =20
    The bridge must be crossed 20 times to make the monthly costs equal.
    So, The bridge must be crossed 20 times to make the monthly costs equal.
    Learn more about cost here
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