Question

me pueden ayudar porfavor༎ຶ‿༎ຶ༎ຶ‿༎ຶ༎ຶ‿༎ຶ lo​

Answer 1

Explicación paso a paso:

a + b = 30

a + 10 = 2(b - 10)

a + 10 = 2b - 20

a = 2b - 30

2b - 30 + b = 30

3b = 60

b = 20

a = 10

a × b = 20 × 10 = 200