Let: x = weight on Mars if ti weighs 375 pounds on Earth
Solve using Cross-multiplication Method.
200/20 = 375/x
x(200) = 375(20)
x = 7,500/200
x = 37.5 pounds

List of four -five things when you are proofreading.
• Look for sentence fragments and run-on sentences.
• Check to make sure you have used the correct verb (Does your verb agree with your subject )
• Check that you use pronouns correctly:
• Check for commonly confused words such as their, there, and they're. and
• Check your punctuation.

Large fish swim swiftly in the sea. The word Large is an adjective.

Catching fish is one of the oldest pastimes. Fish is a noun.