Question

HELPPPPPPPPPPPPPPPPPP

Answer 1

The product of Diego's age and 9 is 162. 'product' is multiplication, 'is' means equal to. So we can write:

$\sf d\times 9=162$

or

$\sf 9d=162$

Answer 2

162 - 9 = 153. 
d = 153.
Diego is old.