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Populaire Word Problems >

Six years ago, Sally was 12 years younger than thrice her sister's age. How old is Sally if she is twice as old as her sister now?

Solution

S i x ye a rs a g o, S a ll y w a s 12 ye a rs yo u n g er t han t h r i ce h er s i s t e r^{'} s a g e . Ho w o l d i s S a ll y i f s h e i s tw i ce a s o l d a s h er s i s t er n o w ?

Solution

Sally^{'} s age is : 48

étapes des solutions

Translate the problem into an equation:

2 x - 6 + 12 = 3 (x - 6)

Solutionner pour

x, 2 x - 6 + 12 = 3 (x - 6) : x = 24

Trouver Sally's age

: 48

Sally^{'} s age is : 48

Exemples populaires

Find three consecutive odd integers whose sum is −249 Bill is four times as old as Lily. Two years from now, Bill will be nine times as old as Lily was two years ago. Find their present ages.The radius of a circle is 19 in. Find its circonférence in terms of pipi.The radius of a cercle is 5 ft. Find its area in terms of pipi.The aire of the square pool on Mr. Carr's vacation was 225 ft2. How long was one side of the pool?