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Popular Word Problems >

Jack is twice as old as Lacy. In three years, the sum of their ages will be 54.how old will be lacy three years from now

Solution

J a c k i s tw i ce a s o l d a s L a cy . I n t h ree ye a rs, t h e s u m o f t h e i r a g es w i ll b e 54. h o w o l d w i ll b e l a cy t h ree ye a rs f ro m n o w

Solution

Lac y^{'} s age in 3 years : 19

Solution steps

Translate the problem into an equation:

2 x + 3 + x + 3 = 54

Solve for

x, 2 x + 3 + x + 3 = 54 : x = 16

Find Lacy's age in 3 years:

19

Lac y^{'} s age in 3 years : 19

Popular Examples

A number more than 2.the sum of two numbers is 22 and their difference is 12 Johnny is 26 years older than Ron. 10 years ago, Johnny was 2 times as old as Ron. Find Ron's present age.Find 74.9% of 286.3. Round to the nearest thousandth.The quotient of a number and-2.5 is 16.5.