lithinpramod
lithinpramod lithinpramod
  • 29-06-2020
  • Mathematics
contestada

the age of rahul and harun is 5:7. After four years, Sum of their age is 56. What is their present age?

Respuesta :

mhanifa
mhanifa mhanifa
  • 29-06-2020

Answer:

20 and 28

Step-by-step explanation:

r/h= 5/7  ⇒ r= 5/7h

r+4+h+4= 56

r+h= 48

5/7h+h= 48

12/7h=48

h= 28

r= 48-h= 20

Rahul is 20, Harun is 28

Answer Link

Otras preguntas

Is 5 x pi a rational number
How do i pass language
Name a disadvantage of fossil
If angle 2 measures 72°, what is the measure of angle 3?
Find the mean and median of the data set. The numbers of hours Cheri works each day are 2, 6, 3, 5, and 4. The mean is . The median is .
Linear Equations. Solve the equation 5 = 3y +6 using inverse operations.
The form he builds is 35 1/2 in. long deep, and 6 in. high. How much cement is needed to fill the form?
Help please i need exact answer
which roman statesman called for a unity between law and politics so that the political leader is the speaking law and the law a silent magistrate
EDU 2020 log6^15= 1.511 Write log146−log14 3/2 as a single logarithm ANSWER A Expand logw xz . ANSWER C