Sry can't answer your question but I'll keep trying to figure it out :(
First you need to set up a formula. Underline all of your givens:
<u>Spent 1/2 on clothes
$6 more for washing windows
Ended with $10.
</u>
now you need to set up an equation.
<u>
</u>You know she ended up with $10. So that will be what it equals. Then you know that she earned $6 in addition to her allowance. So this would be (x= allowance) (x+6)/2 = 10.
<u>
</u>Now you need to solve for x.
Multiply both sides by 2.
<u>
</u>x+6=20<u>
</u>Now subtract both sides by 6 to get x alone:
<u>
</u>x=$14<u>
</u><u>
</u>
I did that equation on the side and I got 442, I hope this helps
Answer:
You would be able to pay for the tip, but taxes depend on where you are from. If you know the tax percentage, just do what I did but with the tax; all though I think its not enough because its pretty close to 22$.
Step-by-step explanation:
18 * 1.20 = 21.6$
