80%=.8
40*.8=32
32 people made their purchases with credit cards.
Answer:
1 : 20 20 students for every 1 teacher
Step-by-step explanation:
divide both sides by 12
I believe the answer is 27/30
solution:
Lets start with the most amount that could have been sold.......using guess and check, we can figure out that 290 salads could have been sold, while 8 cartons of milk would have been sold.
The least amount of salads that could have been sold were none.
so,
you have 0<s<290
at least none were sold, and at most 290 were sold
but I do believe you are missing part of the question