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Phổ biến Word Problems >

Landon’s age is 3 years less than 3 times his brother’s age. Landon’s age is 9 minus his brother’s age. How old is Landon

Lời Giải

L an d o n ’ s a g e i s 3 ye a rs l ess t han 3 t im es hi s b ro t h er ’ s a g e . L an d o n ’ s a g e i s 9 min u s hi s b ro t h er ’ s a g e . Ho w o l d i s L an d o n

Lời Giải

Landon^{'} s age is : 6

Các bước giải pháp

Translate the problem into an equation:

3 x - 3 = 9 - x

Giải

x, 3 x - 3 = 9 - x : x = 3

Tìm Landon's age

: 6

Landon^{'} s age is : 6

Ví dụ phổ biến

Michael is 2 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon.Jonathan is now three times as old as his son.twelve years ago he was six times as old as his son. Find the present ages of each Jonathan is now three times as old as his son is. Twelve years ago he was six times as old as his son was. Find the present ages.Melanie walked for 2.5 hours at a speed of 3.2 miles per hour. How far did Melanie walk?What is the speed of a car that is traveling 100 km in 3 hours?