The age of sara's father is thrice hers the age of sara's brother is 4 years more than her find an expression in terms of y for the sum of their ages whereas y represents sara's age

S = 5y + 4

Step-by-step explanation:

f is Sara's father, y is Sara, b is Sara's brother and S is sum

3y = f

b = y + 4

S = f + y + b

  = 3y + y + y + 4

  = 5y + 4

Hope this helps!

Step-by-step explanation:

What we know:

- 3 × is equal to Sara's father's age

- + 4 is equal to Sara's brother's age

- is equal to Sara's age

Sum of their ages = father's age + Sara's age + brother's age

Sum of their ages =

Sum of their ages =

I hope this helps!

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