Respuesta :
Answer:
x = 20
y = 28
Step-by-step explanation:
hari's age: x
harry's age: y
7x = 5y
4(x+4) = 3(y+4)
4x+16 = 3y+12
4x+4 = 3y
5/3(4x+4) = 5y = 7x
20/3x +20/3 = 7x
20/3 = 1/3x
x = 20
y = 28
Answer:
x = 20
y = 28
Step-by-step explanation:
hari's age: x
harry's age: y
7x = 5y
4(x+4) = 3(y+4)
4x+16 = 3y+12
4x+4 = 3y
5/3(4x+4) = 5y = 7x
20/3x +20/3 = 7x
20/3 = 1/3x
x = 20
y = 28
