Level 3
188 apples are kept in 3 boxes. The 1st box contains 20 more apples than the 2nd box. The 2nd box contains 3 times as many apples as the 3rd box. How many apples are there in the 3rd box?
Level 3
Penelope has a total of 95 markers. She has 21 more red markers than blue markers. She has twice as many black markers as red markers. How many red markers does she have?
Level 3
Cindy had $60 more than Emma. Esther had twice as much money as Cindy. Given that the 3 girls had a total of $380, how much money did Esther have?
Level 3
A videocam costs $200 less than a printer. A laptop costs twice as much as a printer. Given that the total cost of a videocam, a printer and a laptop cost $6200, find the cost of the videocam.