The average age of four children is 11 years if the age of three children are 9 years 12 years and 10 years find the age of fourth child
Answers
Step-by-step explanation:
Let X be the total of the 3 children’s ages.
Let X be the total of the 3 children’s ages.Let Y be the 4th child’s age.
Let X be the total of the 3 children’s ages.Let Y be the 4th child’s age.X/3 = 8.5
Let X be the total of the 3 children’s ages.Let Y be the 4th child’s age.X/3 = 8.5X = 25.5
Let X be the total of the 3 children’s ages.Let Y be the 4th child’s age.X/3 = 8.5X = 25.5Next:
Let X be the total of the 3 children’s ages.Let Y be the 4th child’s age.X/3 = 8.5X = 25.5Next:(X+Y)/4 = 10
Let X be the total of the 3 children’s ages.Let Y be the 4th child’s age.X/3 = 8.5X = 25.5Next:(X+Y)/4 = 10(25.5 + Y)/4 = 10
Let X be the total of the 3 children’s ages.Let Y be the 4th child’s age.X/3 = 8.5X = 25.5Next:(X+Y)/4 = 10(25.5 + Y)/4 = 1025.5 + Y = 40
Let X be the total of the 3 children’s ages.Let Y be the 4th child’s age.X/3 = 8.5X = 25.5Next:(X+Y)/4 = 10(25.5 + Y)/4 = 1025.5 + Y = 40Y = 14.5, the age of the 4th child
please follow
Answer:
This is ur answer
Hope it helps you