# math

posted by on .

Giselle spent a total of \$43 when she went shopping. She spent \$14 for socks, \$18.75 for a wallet, and bought lunch. When she got home, she had \$4 left. How much did she spend for lunch?

• math - ,

Solve for x.

14 + 18.75 + x + 4 = 43

36.75 + x = 43

x = 43 - 36.75

x = ?

• math - ,

Why do you add the \$4? My daughter missed this on a homework sheet because she didn't use the \$4. Why should that even be considered?

• math - ,

We're trying to find out how much she spent for lunch. We can account for the rest of the money.

Another way to work this problem is:

14 + 18.75 + x = 43 - 4

• math - ,

Thanks, but that still makes no sense.

If she SPENT a TOTAL of \$43 which included \$14 for socks and \$18.75 for a wallet and had \$4 LEFT, Why does the \$4 even have to be in the equation?

\$43= \$14 + \$18.75 + LUNCH (X)

• math - ,

I see your point. The question states that she SPENT \$43. I suggest you have your daughter ask her teacher.

• math - ,

The \$4 only enters the picture if asked ,

it said,
14 + 18.75 + lunch = 43
lunch = 43 - 14 - 18.75 = 10.25

So her lunch cost \$10.25

She started with 43+4 or \$47