Danielle is x years old. Her sister is five years older and her brother is half Danielle’s age. Write an expression in simplest

Question

Savatey [412]

3 years ago

5

Danielle is x years old. Her sister is five years older and her brother is half Danielle’s age. Write an expression in simplest

form for the sum of their ages

Mathematics

1 answer:

Alborosie · Answer 1 · 2022-06-20T20:24:21+03:00

Alborosie3 years ago

7 0

Let x = Danielle, x + 5 = her sister, and .5x = her brother.

x + x + 5 + .5x = the sum of their ages.

Then we simplify to get 2.5x + 5 = the sum of their ages.