X + y = 12 . . . . . . . . (1)
x - 3y = -30 . . . . . . . (2)
(1) - (2): 4y = 42
y = 10.5
She spent $19.88 on cheese and bread
590 is your answer mark me brainist please
Answer:
probability that the child DOES NOT play the piano

Step-by-step explanation:
A students' choir contains 25 children
n(S) =25
The number of students play the piano =5
Let 'E' be the event of the child play the piano so n(E) =5
The probability of that the child play the piano


Let 'E⁻ be the event of the child play does not play the piano


<u>Conclusion</u>:-
probability that the child DOES NOT play the piano
