klogsdon1431 klogsdon1431

17-05-2021
Mathematics

contestada

Ann is twice as old as mary and three times as old as donald. Together their ages total 99. How old is ann?

Respuesta :

18-05-2021

Answer:

54 years

Step-by-step explanation:

Given that :

Let :

Ann's age = x

Mary's age = x/2

Donald's age = x/3

x + x/2 + x/3 = 99

Take the L. C. M

(6x + 3x + 2x) / 6 = 99

11x / 6 = 99

11x = 99 * 6

11x = 594

x = 594 / 11

x = 54

Hence, Ann is 54 years

Answer Link

Otras preguntas

how did Mesopotamia cope with a lack of resources

what is 10xy^2 + 5x - 4y^3 + 6 -x + 5x^2y + 6xy^2 - 2

The curve y= (k+2)x^2 meets the line y=(k+3)x +3. Find the range of possible values of k.Could somebody explain how they get to their answer, too?Skills: Simult

why might the range not be the best estimate of variability?

Describe how the amount of air changes as you travel up to Earth's atmosphere

what is 15.95 in expanded form

Which Russian territorial possession lay farthest from the center of power in St. Petersburg? (A) Alaska (B) Finland (C) Crimea (D) Siberia (E) Poland

Does the horizontal motion of the projectile depend on the vertical motion?

Give an example of oxidation reaction which can be a nuisance

Which of the following is a true statement about chloroplasts? A.They transport glucose into the cell. B.They convert light energy into chemical energy. C.Th