Question

In the past year, the number of frogs living in a pond had increased by 10% to 528, and the number of newts living there too had increased by 15% to 621. How many frogs and newts lived in the pond a year ago

Answer 1

480 frogs, 540 newts

Explanation:

528 ÷ 1.10 = 480 frogs

621 ÷ 1.15 = 540 newts