Math
posted by Jman on .
2. Rename .709 as a percent.
a. 709%
b. 70.9% *
c. 79%
d. 7.09%
4. Alice plays basketball. In one game she shoots 21 free throws and makes 81.25% of them. Estimate how many free throws she makes.
a. about 16
b. about 2
c. about 20
d. about 14
5. Estimate 48% of $20.00.
a. about $12.00
b. about $11.00
c. about $15.00
d. about $10.00 *
6. The bill at a restaurant is $100, and Mrs. Johnson wants to leave a 15% tip. Approximately how much money should she leave?
a. about $5.00
b. about $10.00
c. about $15.00 *
d. about $20.00
7. Which proportion can be used to solve the following percent problem? What is 50% of 70?
8. What percent of 50 is 15?
a. 4%
b. 25%
c. 30%
d. 15%
9. 30% of 60 is what number?
a. 15
b. 30
c. 18 *
d. 40
The choices with * is what I think the answer is please check them, and help me the others.

4.
20 * 0.8 = ?
7.
50/100 = x/70
8.
15/50 = ? 
so number is x/50 = 70/100

And what about my answers are they all right?

Yes. Your answers are correct.
Yes, this is also correct: x/50 = 70/100 
i have one more question.
Mrs. Miller sells a house for $179,000. If she earns a commission of 6%, how much money does she earn? Write a proportion and show your work. 
This questions is worth 7 points.

6/100 = x/179,000

so how much does she earn

Cross multiply and solve for x.
http://www.aaastudy.com/ratpropcrossx.htm 
i got 10740. is that right

Right.

Thank You 4 everything

You're very welcome.

Thanks Ms. Sue, this post also helped me.

helped me too :D thx miss sue

Thanks alot to "Miss Sue".
I like how you show us how to do it, not just give the answers.
Very helpful. 
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hello

Thank you so much, Ms.Sue. You are really helpful and a good teacher. This was very appreciated. xx