Level 3
One avocado cost 4 times as much as one honeydew. Mrs Zhang bought 2 avocados and 4 honeydews for $15. How much would 20 avocados and 16 honeydews cost? Express the answers to 2 decimal places.
Level 2 PSLE Esmee spent 80% of her money on a dress. She spent 40% of the remainder on a watch. After that, she had $5.40 left. How much money did Esmee have at first?