an auto charges Rs 15 for first kilometer and Rs 8 for each subsequent kilometer.For a distance of X km .an amount of Rs y is paid.
write the linear equation representing this information and draw the graph . With the help of graph find the distance travelled if the fare paid vis Rs 55?How much would have to be paid for 7 kilometer?
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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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