a school principal orders 75 boxes of chalk. each box has 12 sticks of chalk, the school has 23 teachers. Does the principal hav
e enough chalk to give each teacher 40 sticks? if yes, how many sticks are left over? if no, how many more sticks does the principal need?
1 answer:
Well 75x12=900 so 900 divided by 40 is 22.5 so 22 teachers can have 40 chalks but the principal needs to order another 20 :)
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Answer:
0.8
Step-by-step explanation:
you can just multiply by the reciprocal in this case I think to solve the question
You put the 28 inside the house and put the 29 on the outside and divide like normal, move the decimal etc.
Answer:
In step 3
4m = 4 + 4n
-4m = -32 -8n. (step 2)
If you add -4m, 4m you end up with
-4m+4m=-32 -8n + 4n +4
In step 3. the 4 was not added
continuing to solve 4n=-28, n=-7
A. (X+7)^2
B.(x-8)^2..............
