Question

A geologist had two rocks on a scale that weighed 2 1 ⁄ 2 lbs together. Rock A was 1/3 of the total weight. How much did rock A weigh?

Answer 1

Answer: 1/2

Step-by-step explanation: first, change 1 1/2 into 3/2 (1/3*3/2). then, cross reduce (1*1/2). multiply, and then you have your answer

Answer 2

0.8333 pounds

Explanation:

1/3 of 2 1/2 is 0.83 pounds