x : y = 5 : 3 and x + y = 56work out the value of x - ymust show working
Question
Answer:
X : y = 5 : 3 and x + y = 563x=5y and x + y = 56
3x=5y and x=56-y
3(56-y)=5y and x=56-y
168-3y=5y and x=56-y
168=8y and x=56-y
y=168/8 and x=56-y
y=21 and x=56-y
y=21 and x=35
x=35
y=21
solved
general
9 months ago
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