Wednesday

October 22, 2014

October 22, 2014

Posted by **cora evans** on Saturday, December 28, 2013 at 11:03am.

- math -
**cora evans**, Saturday, December 28, 2013 at 11:34amA survey indicated that 3 out of doctors used brand x aspirin. if 2000 doctors were surveyed, how many used brand X?

I need help understanding the problem of this math. Can somebody explain this to me.

- math -
**Ms. Sue**, Saturday, December 28, 2013 at 11:43amHere's the first one.

8/64 = 2/x

Cross multiply.

8x = 128

Solve for x.

x = 128/8

x = 16

You haven't posted enough information to solve the second problem.

**Answer this Question**

**Related Questions**

math - I'm not understanding trying to solve this problem. (-12)2 can somebody ...

math - I need help writing 57/18 as a mixed number. Can somebody show me how to ...

math - Can somebody explain to how to solve this problem. -3 divided by 6 show ...

Geometry: Student Correction (Stuck) - Joelle set up the following proportion: 4...

math - I'm having problem understanding 2 2/7-1 1/3= can somebody help me with ...

Math - Can somebody help with this problem. Understanding, write as a percent,5 ...

math - I'm having problem understanding and trying to solving x/2=5/15 x= can ...

math - I'm having problem understanding 6.3=0.9y can somebody help me. Do I add ...

math - How can you use a proportion to solve a percent word problem? Explain in ...

math - I'm having problem understanding this question. 29.64 acres= hectares, ...