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.
2 answers
y = -50x + 950
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.
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.
2 answers