2 About 4,000 new species of marine animals were discovered in the last 2 years. What is the unit rate of discovery?(1 point) Responses 2 years4,000 species Start Fraction 2 years over 4,000 species End Fraction 4,000 species2 years Start Fraction 4,000 species over 2 years End Fraction 2,000 speciesyear Start Fraction 2,000 species over year End Fraction 1 species2,000 years

Question

3 Mario walked 3,600 steps in 24 hours yesterday. How many steps did he walk per hour?(1 point) steps/hour

Answer 1

The unit rate of discovery of new species is 2,000 species per year.
Mario walked 150 steps per hour.