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Phổ biến Word Problems >

Trent is 74 years older than Karissa. In 9 years he will be 3 times her age. How old is each now?

Lời Giải

T re n t i s 74 ye a rs o l d er t han K a r i ss a . I n 9 ye a rs h e w i ll b e 3 t im es h er a g e . Ho w o l d i s e a c h n o w ?

Lời Giải

Trent^{'} s age is : 102

Karissa^{'} s age is : 28

Các bước giải pháp

Translate the problem into an equation:

x + 9 = 3 (x - 74 + 9)

Giải

x, x + 9 = 3 (x - 74 + 9) : x = 102

Tìm age

Trent^{'} s age is : 102

Karissa^{'} s age is : 28

Ví dụ phổ biến

a car traveled 45 miles per hour for 2 hours how many miles did the car travel lets say we are going on a trip where we are averaging a speed of 70km per hour.how long can we travel a khoảng cách of 175km how many miles can a motorist travel from 9:55AM to 10:15AM at the rate of 40 mph how many miles can a motorist travel from 9:55AM to 1:10PM at the rate of 40 mph Nicole is 26 years old. Emma is 2 years old. In how many years will Nicole be triple Emma’s age?