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Jasmin is 5 years younger than Gerald. Four years from now Gerald will be twice as old as Jasmin. Which equation should be used to solve the problem?

Solution

Jasmin is 5 years younger than Gerald. Four years from now Gerald will be twice as old as Jasmin. Which equation should be used to solve the problem?

Solution

Jasmin^{'} s age is : 1

Gerald^{'} s age is : 6

Solution steps

Translate the problem into an equation:

x + 5 + 4 = 2 (x + 4)

Solve for

x, x + 5 + 4 = 2 (x + 4) : x = 1

Find age

Jasmin^{'} s age is : 1

Gerald^{'} s age is : 6

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