A grocer knows that if he sells his canned hams for $8 each, he can sell 950 per month, and if he sells
the same hams for $10, he will sell 900 per month. Assuming the relationship between price and sales is linear, write an equation you could use to predict sales for other prices.
we have two points (950,8) and (900,10)
slope = (10-8)/(900-950) = 2/-50 = -1/25
if n is the number of canned hams, and C is the cost
C -1/25 n + b
but (900,10) satisfies this
10 = -1/25*900 + b
b = 46
Cost = (-1/25)n + 46
check: is (900,10) on this ?
LS = 10, RS = (-1/25)(900) + 46 = 10 , looks good
is (950,8) on this?
LS = 8 , RS = (-1/25)(950) + 46 = 8, looks good as well
my equation is correct, the bot is wrong again.