Answer:7 2/35
Step-by-step explanation:
This is because of pemdas parenthesis exponents multiplication division addition and subtraction
Answer:
son age: X
man_age= 5X
in 3 years: we have: (man_age+3)(X+3)=380
we can replace the man age by 5X and we get :
(5X+3)(X+3)=380
it is a quadratic equation with 2 solutions. One negative and 7
The solution is thus 7, since age can not be negative.
The son is thus 7 and the dad 5 times more 35
Step-by-step explanation:
Answer:
He will be 92 pounds by the time he is 1.
Step-by-step explanation:
If you add 9+3 thats 12. Then you keep adding nine until you did it 11 times. Then you will get his age.
hope that helps