Question

11. Bob always gets a hamburger and a Pepsi when he eats at his favorite restaurant. He leaves the waitress a$3 tip each time. Last month he ate there 6 times. If he spent a total of $78 and soda costs $1.50 each,what is the cost of a hamburger?

Answer 1

We know that

• The tip is $3 each time.

,

• Last month he ate there 6 times.

,

• He spent $78 in total.

,

• The soda costa $1.50.

Based on the given information, we can express the following

`6(3+1.50+h)=78`

Let's solve the equation for h

`\begin{gathered} 6(4.50+h)=78 \\ 27+6h=78 \\ 6h=78-27 \\ 6h=51 \\ h=(51)/(6)\approx8.50 \end{gathered}`

Therefore, the cost of a hamburger is $8.50.