Question

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.

Answer 1

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.

Answer 2

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.

Answer 3

Solve for x 8 is to 64 as 2 is to x

Answer 4

A survey indicated that 3 out of 5 doctors use Brand X aspirin. If $2,000 were surveyed, how many used Brand X?