Hi there! The answer to this problem would be 36.64$.
Step By Step:
So there is three teachers and they all brought something.
_____________________________________
| Mrs.Maiers | 7.68$ |
| Mr.Lang | 11.52$ |
| Mrs.Connor | 17.64$ |
______________________________________
Total Cost: 36.64
2 5/16 divided 7/8
Simplify
(37/16) / (7/8)
When dividing by a fraction flip over the fraction and multiply
(37/16) * (8/7)
Multiply numerators, multiply denominators
296 / 112
Reduce the fraction
37/14
=2 9/14 <------------- answer
Y+9/16x+4.2 this might be your answer