Question

the ages of Rahul and Arun Aryan ratio 5 is to 7 four year later the sum of their ages will be 56 what are their present ages?????? ​

Answer 1

Step-by-step explanation:

CURRENT AGE = 5:7

AFTER 4 YEARS THEIR AGE = 5X + 4 , 7X + 4

THERE SUM = 56

SO , THEIR CURRENT AGE = ?

5X + 4 + 7X + 4 = 56

12X + 8 =56

12X = 56 - 8 = 48

X = 48 / 12 = 4

THEREFORE , RAHUL'S AGE = 5 X 4 = 20

                        ARUN'S AGE = 7 X 4 = 28

HOPE IT HELPS U ^_^

Answer 2

Answer:

20years

Step-by-step explanation:

current age =5:7

after

4 years their age will be 5x+4,7x+4years

sum=56

so, present age is?

5x+4+7x+4years

12x+8=56

12x=56-8

12x=48

x=48/12

x=4

b

Rahul's age =5*1=5

Harmon's age=7*1=7