mbalimcgates mbalimcgates
  • 25-05-2020
  • Computers and Technology
contestada

Joe, Kate and Jody are members of the same family. Kate is 5 years older than Joe. Jody is 6 years older than Kate . The sum of their ages squared is 961 years. What are their ages?

Respuesta :

tonb
tonb tonb
  • 25-05-2020

Answer:

5, 10 and 16

Explanation:

The sum of their ages is √961 = 31

If Joe is x years old, the equation that follows is:

x + (x+5) + (x+5+6) = 31

This simplifies to

3x = 31 - 11 - 5 = 15

so x=5

From that you can find

Joe = x = 5

Kate = x+5 = 10

Jody = x+5+6 = 16

Answer Link

Otras preguntas

What are the factors of -72 that add up to -15
Background Info:The standard enthalpy of formation (ΔH∘f) is the enthalpy change that occurs when exactly1 mol of a compound is formed from its constituent elem
Which type of seismic waves produces the most severe ground movement?
Mera painted equal sections of her bedroom wall to make a pattern. She painted 2/5 of the wall white and 1/2 of the wall lavender. Write an equivalent fraction
How long does a horse take to run a distance of 6 miles at 16 miles/hour
How many toes does a frog have
what are some characteristics for simplest form
Is 6/5 greater or less than 3/3
A building with a height of 40 ft casts a shadow that is 16ft long. A person standing next to the building casts a shadow that is 2ft long. How tall is the pers
Background Info:The standard enthalpy of formation (ΔH∘f) is the enthalpy change that occurs when exactly1 mol of a compound is formed from its constituent elem