+1982 The amount of time it takes Heather to cook dinner is directly proportional to the number of ingredients involved. If it takes her t minutes to cook dinner when there are n ingredients involved how many ingredients are involved if it takes her 30 minutes to cook dinner?
A) 30tn
B) 30n/t
C) 30t/n
D) n/t
E)t/n
+36916 You are given: t = kn
so k = t/n
30 = kn can be re-arranged to
30/k = n but remember the equation above (in red) ....substitue this value in for k
30/ (t/n) = n
30 * n/t = n
30n/t = number of ingredients
+36916 You are given: t = kn
so k = t/n
30 = kn can be re-arranged to
30/k = n but remember the equation above (in red) ....substitue this value in for k
30/ (t/n) = n
30 * n/t = n
30n/t = number of ingredients
