alishbasaleem1670 alishbasaleem1670

17-11-2021
Mathematics

contestada

Creflo is 6 years older than Dean.
Raheem is twice as old as Creflo.
The sum of their ages is 34.
Work out the ratio of Dean's age to Creflo's age to Raheem's age.

Respuesta :

NataliAriyoshi NataliAriyoshi

17-11-2021

C = D + 6
R = 2C
D + C + R = 34

R = 2 (D+6)
R = 2D + 12

D + (D + 6) + (2D + 12) = 34
Add like terms.

4D + 18 = 34
4D = 34 - 18
4D = 16
D = 4

C = D + 6
C = 4 + 6
C = 10

R = 2C
R = 2(10)
R = 20

Write as ratio.
D:C:R
4:10:20

Answer Link

Otras preguntas

Solve for x: 3|x-3| 2=14 a. No solution b. x=-1,x=8.3 c. x=0,x=7 d. x=-1,x=7

Malcolm X’s actions and speeches most clearly inspired which of these groups? a. American Indian Movement b. Black Panthers Party c. La Raza Unida Southern Chr

Internet access is now available in what percentage of schools? a. 81% b. 100% c. 3% d. 94%

In 1948–1949, the city of Berlin was blockaded by Soviet forces. Which sectors of the city were supplied by the airlift? British, West German, American French,

Let f(x) = 4x2 + x + 1 and g(x) = x2 – 2

Some invertebrates in Antarctica have which compound in their blood to help protect against the cold

Adjusting timber management strategies to address long term shortfalls will?

The culture of ___________ prizes horses due to their importance to the livelihood of the people who live there. Taipei Mongolia Ulaanbaatar Taiwan

How did slaves help to grow the colonial economies? By developing new land By producing art and music By producing raw materials By producing manufactured goods

Let f(x) = 4x2 + x + 1 and g(x) = x2 – 2