Answer:
58 students
Step-by-step explanation:
Given






Required
Students that take only 1 subjects
The attached image illustrates the question.
For French only (x), we have:


Collect like terms


For Geometry only (y), we have:


Collect like terms


For History only (z), we have:


Collect like terms


Students with one subject is then calculated as:



Answer:
6.45
Step-by-step explanation:
29.95+7.75%=32.27
32.27/5
6.45
I = PRT....for R....divide both sides by PT
I / PT = R <==
Answer:
Y=-1/4X-6
Step-by-step explanation:
y=--1/4X-6

8.8 because you need to multiply 1.68 by 10 which is 16.8-8=8.8