A forest has 4 species of mammals. There are 30 deer, 15 squirrels, 10 rabbits, and 5 foxes. How many mammals are there in total? If 60% of them are herbivores, how many herbivores are there?
Answer
60 mammals, 36 herbivores
The correct answer is 60 mammals, 36 herbivores — Step 3: Conclude that the forest has 60 mammals and 36 herbivores.
Step-by-step solution
- Step 1: Count all individuals: mammals in total.
- Step 2: Find 60% of 60: herbivores.
- Step 3: Conclude that the forest has 60 mammals and 36 herbivores.
Common mistake: Misapplying the 60% to the wrong group or adding percentages incorrectly.
Concept tested: Counting and percentage
Published · How this solution was prepared and checked
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