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

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

The positive integer x is a multiple of 9 and also a multiple of 12. The smallest possible value of x is (A) 3 (B) 12 (C) 21 (D) 36 (E) 72

What's the answer to this problem?

Who did Odysseus leave behind when he left Troy for Ithaca, and how was it destructive?

Because the majority of the evening cable TV programs available dealt with violence and sex, the parents decided that the programs were for the children to watc

what other areas did the french explorers find

what is 3 2/5 times 2 1/3

The function f(t) = −5t 2 + 20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit

Who was Canada's FIRST prime minister.

what was the first industry to be regulated by the united states goverment? a. oil b.meat packing c. steel D.

a swimming pool holds 375,000 liters of water. two large hoses are used to fill the pool. the first hose fills at a rate of 1500 liters per hour and the second