Level 2
Wendy's father's weight to her weight is 8 : 3. If Wendy puts on 60% more weight, by what percentage must her father's weight be reduced by so that their total weight remains unchanged as before? Correct the answer(s) to 1 decimal place.
Level 2 Two numbers add up to 1.48. Both of the numbers are less than 1. One of them has 1 decimal place and the other has 2 decimal places. What is the largest possible difference between the two numbers?
Level 2
A decimal is between 14.5 and 14.6. The value of the digit 3 in the decimal is 0.03. The digit 4 in the decimal stands for 0.004. What is the decimal?