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

I'm not understanding and writing the following proportion: 8 is to 64 as 2 is to x, can somebody explain how to solve this problem.

- math -
**cora evans**, Saturday, December 28, 2013 at 11:34am
A 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 11:43am
Here'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.

- math -
**Rita **, Tuesday, November 17, 2015 at 3:23pm
Solve for x 8 is to 64 as 2 is to x

## Answer this Question

## Related Questions

- math - I'm not understanding trying to solve this problem. (-12)2 can somebody ...
- MATH - Joelle set up the following proportion to solve for x. Determine if her ...
- 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 ...
- math - I'm having problem understanding 2 2/7-1 1/3= can somebody help me with ...
- Geometry: Student Correction (Stuck) - Joelle set up the following proportion: 4...
- 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 ...

More Related Questions