kellysimkin2889 kellysimkin2889

02-09-2020
Mathematics

contestada

Andrea, Beth, & Cathy's ages are consecutive whole numbers. Andrea is the youngest, and Cathy is the oldest. The sum of their ages is 54. How old is Cathy?

Respuesta :

PiaDeveau PiaDeveau

02-09-2020

Answer:

Age of Cathy = 19

Step-by-step explanation:

Find:

Sum of their ages = 54

Assume;

Age of Andrea = x

Age of Beth = x + 1

Age of Cathy = x + 2

Sum of their ages = x + x + 1 + x + 2

54 = 3 x + 3

3 x = 51

x = 17

Age of Cathy = x + 2

Age of Cathy = 17 + 2

Age of Cathy = 19

Answer Link

Otras preguntas

If da is a diameter of point z and m

Line A: y = x − 2 Line B: y = 3x + 4 Which of the following shows the solution to the system of equations and explains why? (−3, −5), because the point does no

which of the following CORRECTLY states the relationship between the federal and states judiciaries?

Which of the following reasons best explains why ancient religions tended to have multiple gods? Select one: a. Different gods revealed themselves to different

Why do we call Ba(NO3)2 barium nitrate, but we call Fe(NO3)2 iron(II) nitrate?

What type of circuit cannot conduct an electric current? A. A working circuit B. A short circuit C. An open circuit D. A closed circuit

under the region of Louis xIV, the government in France was

Settlers who grew just enough crops to support themselves likely lived in which region

Why did the United States send economic aid and military advisers to South Vietnam?

in the AP physics textbook it says that if 0 denotes the angle that the vector a=3i+4j makes with the +x axis, then tan 0 =4/3, so 0 =tan^-1(4/3) =53.1 degrees