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人気のある Word Problems >

In five years, Tina will be twice as old as Amy. Four years ago, Amy was one Third the age of Tina. How old are they now?

解

I n f i v e ye a rs, T ina w i ll b e tw i ce a s o l d a s A m y . F o u r ye a rs a g o, A m y w a s o n e T hi r d t h e a g e o f T ina . Ho w o l d a re t h ey n o w ?

解

Tina^{'} s age is : 31

Amy^{'} s age is : 13

解答ステップ

Translate the problem into an equation:

y - 4 = \frac{1}{3} (x - 4), x + 5 = 2 (y + 5)

y - 4 = \frac{1}{3} (x - 4), x + 5 = 2 (y + 5) : x = 31, y = 13

Tina^{'} s age is : 31

Amy^{'} s age is : 13

人気の例

TRAVEL Rita traveled 1,250 miles in the first 3 days of her trip. At this rate, how long will it take her to travel 1,875 miles?An item is regularly priced at $47. Rafael bought it at a discount of 45% off the regular price. how much did rafael pay In 6 years, Tina will be twice as old as Amy. Two years ago, Amy was one third the age of Tina. How old are then, now?8 less than the product of-3 and a number is greater than-26 Seven more than twice a number is the same as five times the number minus fourteen.