3 years ago

Age If you add Natalie's age and Fred's age, the result is 40. If you add Fred's age to 4 times

Mathematics

1 answer:

jolli1 [7]3 years ago

5 0

Answer:

Fred is 28 yrs old. Nathalie is 12yrs old

Step-by-step explanation:

Let Nathalie's age be x

Let Fred's age be a

x+a=40 yrs•••••1

4x+a=76yrs•••••2

a=40-x

Substitute a for 40-x in equation (2)

4x+40-x=76

3x=76-40

3x=36

x=12

a=40-12

a=28

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