B 3/7 because 15 divided by 5 = 3 and 35 divided by 5 = 7
8.71428571429 is the answer
Ok so basically what u need to do is
In order to solve this, we need to figure out how much ONE student spends.

dollars per student.
If 10 student spent for lunch, we just have to multiply our number by how much each student spends.
Answer: 525kg
Step-by-step explanation:
To decrease 700kg by 25% implies
700 - 25% of 700kg
25% of 700 = 25/100 × 700kg
0.25 x 700
= 175
Therefore, to decrease 700kg by 25%, since 25% is 175kg, we subtract 175kg from 700kg
700kg - 125kg
= 525kg