A teacher has 3 trays that each contains 209 blocks. After combining the blocks in all 3 trays, the TOTAL number of blocks is closest to
A. 420 blocks
B. 735 blocks
C. 630 blocks
D. 840 blocks
E. 525 blocks
A. 420 blocks
B. 735 blocks
C. 630 blocks
D. 840 blocks
E. 525 blocks
