navtejsmangat navtejsmangat

22-12-2018
Mathematics

contestada

Jim is 9 years old and Katy is 6 years younger than jim, in how many years will Jim be twice as old as Katy

Respuesta :

alicefung411 alicefung411

22-12-2018

Katy : 8 - 6 = 3 years old
After o years
9+o = 2(3+o)
4.5+0.5o = 3+o
0.5o = 1.5
o = 3
so the answer is in 3 years

Answer Link

Otras preguntas

What percentage of a normal distribution is located in the tail beyond a z-score of z= - 1.20?

In a paragraph, explain why the data presented is different, and evaluate the reliability of each source. Which should be used in a school research project, and

Suppose the Moon's orbit were not tilted. How many total solar eclipses would you expect to see from Earth in a year?

a student measures the mass and volume of a sample of copper at room temperature and 101.3 kpa. The mass is 48.9 grams and the volume is 5 cubic centimeters. Th

Where would you find the largest difference in shallow and deep ocean temperatures?

Two kids are liars, three can only say the truth. Jane: " Julia is only a liar, if John is telling the truth." Julia: "If Joey doesn’t lie, then either Jane or

Anorexia nervosa can be prevented, but it cannot be treated A.true B.false

The critical angle for total internal reflection at a liquid-air interface is 42.0 ∘. if a ray of light traveling in the liquid has an angle of incidence at the

Matthew and his friends are going to a movie. If popcorn is $4.09 and drinks are $2.25, what is the cost of two popcorns and four drinks? $6.34 $38.04 $20.86 $1

Please help!!!!!!!!!!!!!!