System A System B
6.0
5y = 1
4x - 3y = 0
- 2x + 2y = -1
-2.0 +2 = -1
1) How can we get System B from System A?
Choose 1
Replace one equation with the sum/difference of both equations
B
Replace only the left-hand side of one equation with the sum/difference of the left-hand sides
of both equations
Replace one equation with a multiple of itself

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

pls mark as brainliest

i think it might be a but you might want a second opinion