Solve this question plz
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Let c(x) be cost of x copies.
Linear means c(x) = ax + b
c(5) = 80
c(18) = 116
Find c(10)
a*5 + b = 80
a*18 + b = 116
Subtract 1 from 2:
13*a = 36
a = 36/13 = 2.77
2.77*5 + b = 80
b = 80-13.846 = 66.154
c(10) = 10 * 2.77 + 66.15
c(10) = 93.85
is that correct
hdeeba14pdctu3:
but its not correct
Ans is 140
okay wait
okay
yeah that's the answer 140, but i wanted you to mark me as brainliest
but you didn't solve the question
well i think you are right i failed
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