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.

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