Level 2
Judy has $4 more than Lily. Karen has twice the total amount of money Judy and Lily have. The 3 girls have $66 altogether. How much more money than Lily does Karen have?
Level 2
Sam, Ken and Don had a total of $108. Ken had twice as much money as Sam. Don had thrice as much money as Ken. How much more money did Don have than Ken?
Level 2
The total cost of a watch, a radio and a calculator is $270. The radio costs thrice as much as the calculator. The watch costs twice as much as the radio. Find the difference in the cost between the watch and the radio.
Level 2
There are 180 blue and green balls in bag A. There are 320 green and red balls in bag B. Given that there are thrice as many red balls as blue balls, and the number of green balls in both bags is the same, find the difference between the red balls and the blue balls.
