Answers to both i believe, are class A
Y = log base9 of x
let x = log base9 of y and solve for y
9^x = y
X + y + z = 27
x = 2z
y = 3 + z
2z + 3 + z + z = 27 ; 4z = 24; z = 6 youngest
x = 12 oldest
y = 9 middle one
Answer:
11 5/8
Step-by-step explanation: add everything to get 11 5:8
Answer:

Step-by-step explanation:







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<h3>Hope it is helpful.....</h3>