If the stack is 21ins and each board is 1 3/2 ins thick that means you 21/(1 3/2) so you end up getting 8.4. Because you can't have a part of a board you round the number down to 8 boards.
Answer:18
Step-by-step explanation:54 divided by 3
Answer: I think it’s around 31 questions right cause she can get 5 wrong to get 86 i think
Step-by-step explanation:
Is this 13 and 34 ? or 1,3,3,4?
