6. A car charges x/km. If a customer is
given a discount of 50 on the total bill,
then write the algebraic expression for
the amount the customer has to pay for
travelling 6 km in the car.
Answers
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Total distance travelled = x kms
Total fare = y rs
According to question,
fare for first km = rs 15
fare for remaining (x−1)kms=rs8
Therefore required linear equation:
y=15+8(x−1)
y=15+8x−8
y=7+8x
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