armymade armymade

16-02-2017
Mathematics

contestada

If the sum of two numbers is 280, and their ratio is 7:3, then the smaller number is?

Respuesta :

apologiabiology apologiabiology

22-02-2017

7+3=10

10 units=280
divide by 10
1unit=28

smaller is 3 units
1unit=28
times 3 both sides
3unit=84

smaller is 84

Answer Link

Otras preguntas

What structural decision does a translator make when translating an original text? A. Sentence length B. Suspense and tension C. Character development D. Climac

you have dance class every 3 days today is monday and you have dance class in how many more days will you you have dance class on monday again use the lcm to fi

Why was reaching a compromise so important?

Which of the following best describes the condition of roads in the late 1700s? a. They had steadily improved from Roman times through the Middle Ages to the la

how do you say " my dad's name is --- and my mom is---'

When dividing 878 by 31, a student finds a quotient of 28 with a remainder of 11. Check the students work, and use the check to find the error in the solution

what is 2/5 percent equal to

what is the ratio of 72/80

Which defines separation of powers? a. division of governmental powers among leaders b. division of authority among law enforcement agencies c. division of mili

why do we not know if any dynasties preceded the Shang