special2334 special2334

13-06-2020
Mathematics

contestada

juations
John is n years old. Kim is three years younger than John and Vanessa is half
Kim's age

Respuesta :

Аноним Аноним

13-06-2020

Answer:

John = 9

Kim = 6

Vanessa = 3

Step-by-step explanation:

John = n

Kim = n - 3

Vanessa = 0.5n - 1.5

Add them:

2.5n - 4.5 = 18

2.5n = 22.5

n = 9

Answer Link

Otras preguntas

What would be a particularly good stretching exercise to do before going on a run

Maya and Sally were the two finalists in a singing competition. The person with the most votes from the audience was chosen as the winner. Sally received 25% of

Which is an example of feedback inhibition? a) An excess of a product of one reaction causes the enzyme of another reaction to stop working. b) Enzymes carr

simplify 3c(c+3)-4(c+3)

Use the formula for radian measure to calculate the measure of a central angle in a circle having a radius of 12 cm and intercepting an arc of 21 cm.

PLEASE HELP I WILL GIVE YOU STARS!!!!!!!!!!!!!!!!!!!!!!!!111

In the triangle below, what is the measure of Z?

covalent compounds often melts easily because

What was the significance of the Allied capture of Rome? a) It allowed the Allied forces to invade Germany. b) It established a base of operations for the All

plz help me with this!!!