Question

Jona is b kg weight.her mother is seven kg less than three time than jona weight.how old is mother?​

Answer 1

Answer: (3b - 7)kg

Explanation:

Jona's weight = b kg

Since Jona's mother's weight is seven kg less than three time than jona's weight. This will be:

= (3 × b) - 7

= 3b - 7

Therefore, the mother is (3b - 7)kg