Below is an instruction that describes a task. Write a response that appropriately completes the request in Thai. Please answer in Thai.

### Instruction:
Sam shared a sum of money between his three cousins Sandra, Amy and Ruth in the ratio 2:1:3 respectively. If Amy got $50, how much did Sandra get?

### Response:
 ถ้าเอมี่ได้รับ $50 แล้วซานดร้าจะได้รับ $50 * 2/6 = <<50*2/6=16.67>>16.67