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If you had a number like 465 it would be shown like400 + 60 + 5
Kwan has modeled a number that is less than 999. His model has twice as many 100-blocks as 10-blocks. It has twice as many 10-blocks as 1-blocks. What is the number?
Greg has the same number of 1-blocks, 10-blocks and 100 blocks. He models an even number that is less than 400. What is the number
1000
842