Answer:400
Step-by-step explanation:
Multiply the total number of students by the ratio given
5/7(560)
Divide top and bottom by 2= 7/1
Multiply top and bottom by 3. 21/3
Multiply top and bottom by 4 = 28/4
Answer:
4,450
Step-by-step explanation:
You muiltiply 250 times 15 then you add 700