sameakamou5wf8
sameakamou5wf8 sameakamou5wf8
  • 04-08-2017
  • Mathematics
contestada

Devaughn's age is two times Sydney's age. The sum of their ages is 30

. What is Sydney's age?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 04-08-2017

D=2S

D+ S = 30

2s+S = 30

3S=30

S=30/3 = 10

Sydney is 10

Devaughn is 2*10 = 20

Answer Link

Otras preguntas

What is the ratio of x to y? 2 x ---- = -------- 3 3x+y
Jessica mixed 1 can of frozen fruit punch with 2 cans of water. Graham mixed 2 cans of frozen fruit punch with 6 cans of water. Who has a stronger-tasting drink
Three terms , 19-6x , 2 + 4x , 6x + 1, are in arithmetic progression . a) Calculate the value of x .
Plato A. wrote works praising one of the other philosophers who left no writings B. taught by asking questions C. analyzed how people used and could use logic
how do you say I am mad at you in French
(-2,2) and (-5,-4) finding equation
what does v1 and v2 represent
what number is 6.1% of 60
A non-scale model of the earth has a diameter of 12 in. Within an outer clay layer, there is a core made of a golf ball with a diameter of 2 in. What is the vol
When the sum of an unknown number z and twenty-two is divided by the same unknown number, the quotient is twelve. What is the unknown number?