Question

An astronaut weighs 170 pounds on Earth but only 68 pounds on Mars. While visiting the planet, the astronaut removes a rock sample that weighs 25 pounds on Mars. What is the weight of the rock sample on Earth?

a. 1.5 pounds
b. 6.25 pounds
c. 10. pounds
d. 62.5 pounds

Answer 1

Proportion would be
170
68
To
X
25
62.5 pounds because68*2.5 is 170 and then 25*2.5 is 62.5