SOLUTION: Ming and Rob are selling flower bulbs for a school fundraiser Customers can buy packages of
tulip bulbs and packages of crocus bulbs. Ming sold 6 packages of tulip bulbs and 10 p
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Question 1073164: Ming and Rob are selling flower bulbs for a school fundraiser Customers can buy packages of
tulip bulbs and packages of crocus bulbs. Ming sold 6 packages of tulip bulbs and 10 packages of crocus bulbs for a total of $144. Rob sold 12 packages of tulip bulbs and 5 packages of crocus
bulbs for a total of $153. What is the cost each of one package of tulips bulbs and one package of crocus bulbs?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
tulips: t
crocus: c
--------------------------
6t+10c = 144 multiply all times -2 and add to the next equation
12t+5c = 153
-----------------------------
12t+5c = 153
+
-12t-20c = -288
---------------
0t-15c = -135
-15c = -135
c = 9 So now we have the cost of the crocus. Now take one of the equations and solve for t:
6t+10(9) = 144
6t+90 = 144
6t = 54
t = 9
So there you have it. Tulips and crocus are both 9 per pack of bulbs.
--------------------------------------------------
Check:
6t+10c = 144; 6(9)+10(9) = 144; 54+90 = 144 Correct
12t+5c = 153; 12(9)+5(9) = 153; 108+45 = 153 Also correct
:
John
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