The ages of Aman and Arun are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present ages

Aman's age = 20, Arun's age = 28

Step-by-step explanation:

Let = Aman's age

Let = Arun's age

- - - -

(Sum of their age is 56 after 4 years in the future)

(Ages are in the ratio 5:7)

Now, we can use substitution to find for Arun's age:

∴ Arun is

To find for Aman's age, we can use substitution:

∴ Aman is 20

Hope this helps :)

2

step-by-step explanation:

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two