Solve for x.
14 + 18.75 + x + 4 = 43
36.75 + x = 43
x = 43 - 36.75
x = ?
14 + 18.75 + x + 4 = 43
36.75 + x = 43
x = 43 - 36.75
x = ?
Another way to work this problem is:
14 + 18.75 + x = 43 - 4
You'll get the same answer.
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)
"how much money did she start with"
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
So, we can calculate:
Total amount spent = Amount spent on socks + Amount spent on wallet + Amount spent on lunch
$43 = $14 + $18.75 + Amount spent on lunch
To find the amount spent on lunch, we'll isolate it on one side of the equation. First, let's subtract $14 and $18.75 from both sides of the equation:
$43 - $14 - $18.75 = $14 + $18.75 + Amount spent on lunch - $14 - $18.75
$43 - $14 - $18.75 = Amount spent on lunch
$10.25 = Amount spent on lunch
Therefore, Giselle spent $10.25 on lunch.