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

Who benefitted from the corrupt bargain?
how long is 63 months in years?
why did the framers give the power to congress rather than to the states?
Of the model cars manufactured in September,1/5 were models of NASCAR cars and 1/3 were world were 2 vintage models.how many cars manufactured in September were
Michelle has $12.30 in her purse in 1 cent 5 cent and 25 cent coins. if she has an equal number of each coin type how many coins does Michelle have in her purse
How many combinations of 3 students can a teacher choose from 32 students?   A. 96
how might the history of california have been different if the gold rush had not happened
Hitler intended to defeat great Britain by
It is likely that Earth could lose half of its species in the next ____________ years. a. 50 b. 100 c. 500 d. 1000
it is asking me to insert parentasies