claral125
claral125 claral125
  • 15-03-2020
  • Mathematics
contestada

Joe is 5 years older than Sydney. The sum of their ages is 45. What is Sydney’s age?

Respuesta :

LukeG1
LukeG1 LukeG1
  • 15-03-2020

Answer:

20 years old

Step-by-step explanation:

Joe = J

Sydney = S

J = 5 + S

J + S = 45

Substitute

5 + S + S = 45

Add

5 + 2S = 45

Subtract 5 from both sides of the equation

2S = 40

Divide both sides of the equation by 2

S = 20

Sydney is 20 years old

Hope this helps :)

Answer Link

Otras preguntas

What happened to the population of Europe just as the Renaissance began?
At the beginning of the season, MacDonald had to remove 5 orange trees from his farm. Each of the remaining trees produced 210 oranges for a total harvest of 41
What is the element in group 13, period 3?
Sam is 4 feet and 5 inches tall. If Sam grows 11 more inches, what would be his new height?
Zinc is extracted by removing oxygen form zinc oxide what is the name given to a reaction in which oxygen is removed from a substance
how to tell whether something is a primary source or a secondary source?
How did the Greeks influence roman religion?
Which rule can you use to convert a mass in centigrams to a mass in milligrams?
What resolution did the portland (oregon) public schools unanimously approve last week?
What is 10X over 25