Question

Eleana and her grandfather both had birthdays last week.

The sum of their ages is 100 years.
. Her grandfather's age is 4 times Eleana's age.
How old is Eleana and her grandfather?

Answer 1

Eleana is 20 years old

Her grandfather is 80 years old

Explanation:

Eleana = E

Grandfather = 4E

4E + E = 100

Add

5E = 100

Divide

E = 20

Eleana is 20 years old

Her grandfather is 80 years old

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