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

Kayley cuts half of a loaf of bread into 4 equal parts. What fraction of the whole loaf does each of the 4 parts represent?

what is the relationship between the coordinates of a point and the coordinates of its reflection across each axis?

Round $35.493 to the nearest cent. (Include the units.)

What omen occurs in the odyssey, and how does the seer Halitherses interpret this omen?

The Crusades stimulated trade, banking, the growth of cities, and the rise of the middle class. a. True b. False

the perimeter is 54 inches and the length is 15 what is the width

alan went to the mall with $28 in his wallet. he bought a pretzel dog for $4 and he bought lunch. he forgot how much his lunch cost, but he did have $7 left in

why do the temperatures and weather NOT change constantly in response to the changing position of the earth in relation to the sun?

Why is hydrogen placed above the alkali metals, on the periodic table?

From what ideals does the United States derive much of its character