Homework Help: Math

Posted by Jman on Friday, November 2, 2012 at 3:13pm.

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.

Math - Ms. Sue, Friday, November 2, 2012 at 3:29pm
4.
20 * 0.8 = ?

7.
50/100 = x/70

8.
15/50 = ?
Math - Jman, Friday, November 2, 2012 at 3:32pm
so number is x/50 = 70/100
Math - Jman, Friday, November 2, 2012 at 3:33pm
And what about my answers are they all right?
Math - Ms. Sue, Friday, November 2, 2012 at 3:36pm
Yes. Your answers are correct.

Yes, this is also correct: x/50 = 70/100
Math - Jman, Friday, November 2, 2012 at 3:38pm
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.
Math - Jman, Friday, November 2, 2012 at 3:44pm
This questions is worth 7 points.
Math - Ms. Sue, Friday, November 2, 2012 at 3:58pm
6/100 = x/179,000
Math - Jman, Friday, November 2, 2012 at 4:04pm
so how much does she earn
Math - Ms. Sue, Friday, November 2, 2012 at 4:07pm
Cross multiply and solve for x.

http://www.aaastudy.com/rat-prop-crossx.htm
Math - Jman, Friday, November 2, 2012 at 4:13pm
i got 10740. is that right
Math - Ms. Sue, Friday, November 2, 2012 at 4:23pm
Right.
Math - Jman, Friday, November 2, 2012 at 4:25pm
Thank You 4 everything
Math - Ms. Sue, Friday, November 2, 2012 at 4:26pm
You're very welcome.
Math - Delilah, Wednesday, November 14, 2012 at 9:55pm
Thanks Ms. Sue, this post also helped me.
Math - someone unknown, Tuesday, December 4, 2012 at 12:08pm
helped me too :D thx miss sue
Math - Anon, Friday, January 18, 2013 at 2:30pm
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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