An astronaut who weighed 170 pounds on Earth found that his weight on Jupiter was 400 pounds. He captured an alien that weighed 120 pounds on Jupiter. What is the alien's weight on Earth?

A. 34 pounds
B. 51 pounds
C. 78 pounds
D. 283 pounds

so it is 51 pounds?

51 400/170 = 2.35 so he weighed 2.35 times more on Jupitor. The alien, must hve weighed 2.35 times less on earth.

To find the alien's weight on Earth, we need to use the given information about the astronaut's weight on both Earth and Jupiter.

First, we'll calculate the astronaut's weight ratio between Earth and Jupiter. The ratio can be determined by dividing his weight on Jupiter (400 pounds) by his weight on Earth (170 pounds):

400 pounds ÷ 170 pounds = 2.35

Next, we'll use this ratio to calculate the alien's weight on Earth. We'll multiply the alien's weight on Jupiter (120 pounds) by the ratio we just calculated:

120 pounds × 2.35 = 282 pounds (rounded to the nearest pound)

Therefore, the alien's weight on Earth is approximately 282 pounds.

The closest option provided is D. 283 pounds.

400/170=W/120

solve for W