Answer: 
Step-by-step explanation:
You know that 1 sandwich costs $4.60 and the school bought 47 sandwiches.
Therefore, in order to calculate the total cost of 47 sandwiches, you need to multiply this number of sandwiches bought by the schoole, by the cost of 1 sandwich. Then:

You know that 1 bag of chip costs $1.25 and the school bought 39 bags of chips.
So, in order to calculate the total cost of 39 bags of chips, you must multiply the total number of them bought by the school, by the cost of 1 bag of chips.
Then:
Therefore, the total amount school spent was:

The answer would be 12 1/8
Answer:
The maximum number of songs that the symphonic choir can record is 14
Step-by-step explanation:
Let
x ----> the number of songs of the symphonic choir
we know that
The number of songs of the jazz choir multiplied by its average time per song plus the the number of songs of the symphonic choir multiplied by its average time per song, must be less than or equal to 72 minutes
so
The inequality that represent this situation is

solve for x

subtract 21 both sides

divide by 3.6 both sides

therefore
The maximum number of songs that the symphonic choir can record is 14
Answer:
100
Step-by-step explanation:
Rounding to the nearest hundred means using the answer that is closest to the amount
94 is closest to 100.
Answer:
x<−3+√1012 or x>−3−√1012
Step-by-step explanation: