lucigerald1234 lucigerald1234
  • 24-06-2020
  • Mathematics
contestada

The age of father is 4nyears.If the age of his daughter is(2n-9)years.find their total age.​

Respuesta :

princemike6566
princemike6566 princemike6566
  • 26-06-2020

Answer:

4n+(2n-9)

4n+2n-9

6n-9 =the total age

6n=9

divide by 6 both sides.

n=9/6

n=1.5 years.

substitute the value of n in the age of the father and the daughter.

Age of father=4×1.5

6years.

Age of Daughter = (2×1.5)-9

3-9

=-6 years

Total age

6-6=0

Answer Link

Otras preguntas

Tim fits television aerials in houses. He buys 100 metres of television cable. Each house needs 10 metres of television cable. The length of cable which Tim buy
factorize x raise to power 2+8x+16
PLS HELP ASAP IN LESS THAN 6 MINS (STORY : the woman who Disappeared)
The lengths of the rectangle have been measured to the nearest tenth of a centimetre. Work out the following, writting down all the figures on your calculator d
algebraic expressionsA,-5x+4-21x-21​
Please help me with this question...thank you :D
Need help with these questions pleaseeee
Вычисли. Сравни. 2 8 л * 6 л 10 ч * 9 ч 2 кг * 4 кг 1 дм * 20 см 24+34*84 9 л - 2 л * 7 л 3 см + 6 см * 1 дм 10 кг * 40 кг – 20 кг
11 The following is the Trial Balance of Mr. Gopal as on 31.3.2009 Dr. () Particulars Drawings and Capital L Debtors and Creditors AL 16% Loan (taken on 1-7-200
Вычисли. Сравни. 2 8 л * 6 л 10 ч * 9 ч 2 кг * 4 кг 1 дм * 20 см 24+34*84 9 л - 2 л * 7 л 3 см + 6 см * 1 дм 10 кг * 40 кг – 20 кг