At the fair, Jamal's dad bought 5 hot dogs and 4 drinks for 14.75. Lana's mom bought 3 hot dogs and 6 drinks for 14.25. How much was one hot dog?

Question

At the fair, Jamal's dad bought 5 hot dogs and 4 drinks for 14.75.  Lana's mom bought 3 hot dogs and 6 drinks for 14.25.  How much was one hot dog?

anonymous · Answer

haha

gw2011 · Answer

Let H=Hot Dogs
Let D=Drinks

5H+4D=14.75
3H+6D=14.25

Multiply the first equationby 6 and the second by 4 in order to find H and you get:

30H+24D=88.50
12H+24D=57  Subtract this equation from the first one and you get:

18H=31.50
H=$1.75  This is the price of one hot dog