Answer:
There are 48 boys in the choir
Step-by-step explanation:
X=x=−5y/3
y=x=−5y/3
2x+y/3⋅1/x−3y=1/3⋅1/2=x=−5y/3
1 to 4 chairs
S = Sally
M = Mother
S = M/5 + 10
20 = M/5 + 10
20 - 10 = M/5
10 = M/5
M = 10 * 5
M = 50
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Her mother is 50 yo
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50 : 5 + 10 = 20
the answer is good
