amsk8er amsk8er

31-08-2017
Mathematics

contestada

One month, Ruby worked 8 hours more than Isaac, and Svetlana worked 4 times as many hours as Ruby. Together they worked 112 hours. Find the number of hours each person worked.

Respuesta :

dpokharnaotzjgn dpokharnaotzjgn

31-08-2017

R=8+I
S=4R

R+I+S=112
R+R-8+4R=112
6R=120
R=20

So therefore, Ruby worked 20 hours, Svetlana worked 80 hours, and Isaac worked 12 hours.

Answer Link

Otras preguntas

List three sets of contrasting words used by Everyman in his second soliloquy. EVERYMAN. Alack! shall we thus depart indeed (Ah, Lady, help), without a

To what does the title "The Cold Equations" refer? What details from the story make you think this? Explain your answer in three to five sentences including exa

Which type of African land is good for grazing animals, such as cattle? A. Rainforest B. Dry woodland C. Savanna D. Desert

“Nene is a good Christian,” his son went on, “and a teacher in a girls’ school in Lagos.” “Teacher, did you say? If you consider that a qualification for a good

what happens when vitamin A is deficient

Which of the following is not a healthy strategy to protect yourself from any type of abuse? a. avoid disrespectful people b. be passive in your actions c. d

When trying to lose weight in a healthy way, it is important to limit all of the following EXCEPT: Fats Sodium Cholesterol Carbohydrates

Jasmine want to eat at 8pm .her meal takes 65min to cook.what rime does she need to put the meal inbthe oven.give in 24hours clock

I need help with this question please! Its for criminal justice. Under what circumstances might a prisoner be re-designated to a different correctional facility

A ball is dropped from a boat so that it strikes the surface of a lake with a speed of 16.5 fps. While in the water the ball experiences an acceleration of a=10