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Hitman42 [59]
3 years ago
5

Bobby,Billy, and Barry smith are each one year apart in age. The sum of their ages is greater than the age of their father , who

is 60. How old the oldest brother can be?
Mathematics
2 answers:
raketka [301]3 years ago
8 0

Answer:

22

Step-by-step explanation:

It would be 22 since it says that there ages combined is greater than 60, not equal to 60.

21+20+19= 60, so the youngest age the oldest brother could be is 22 since

22+21+20= 63 which is greater than 60, not equal to 60.

Mrrafil [7]3 years ago
3 0

Answer:

The age of the oldest brother must be greater than 21 years

Step-by-step explanation:

Let

x, x+1 and x+2 -----> the ages of the brothers

we know that

The sum of their ages must be greater than 60

so

The inequality that represent this situation is

x+(x+1)+(x+2) > 60

Solve for x

Combine like terms

3x+3 > 60

Subtract 3 both sides

3x > 60-3

3x > 57

Divide by 3 both sides

x > 19

so

if  x > 19

x+1 >20\ years\\x+2 > 21\ years

therefore

The age of the oldest brother must be greater than 21 years

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