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?
me solve.
a. 0.22
b. 4
c. 0.5
d. not enough info.

62.5 pounds

Step-by-step explanation:

Given: An astronaut weighs 170 pounds on Earth but only 68 pounds on Mars.

The weight of the rock sample on Mars = 25 pounds

Since the  "Weight of object on Mars"is directly proportional to "Weight of object on Earth".

Hence, the eight of the rock sample on Earth = 62.5 pounds

its 8

step-by-step explanation:

-2

7 - 9 = -2

reversed:

-2 + 9 = 7