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 :)
Answer:
y=9
Step-by-step explanation: I dunno
hope I'm right and byee!! :)
First convert the 6 1/2 gallons into 6 3/6.
Now, subtract 3 5/6 from 6 3/6.
The answer is 2 4/6
