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Beliebt Word Problems >

Andy is 3/4 as old as Mitchell. Four years ago, Andy was 2/3 as old as Mitchell. How old is each?

Lösung

A n d y i s 3/4 a s o l d a s M i t c h e ll . F o u r ye a rs a g o, A n d y w a s 2/3 a s o l d a s M i t c h e ll . Ho w o l d i s e a c h ?

Lösung

Mitchell^{'} s age is : 16

Andy^{'} s age is : 12

Schritte zur Lösung

Translate the problem into an equation:

\frac{3}{4} x - 4 = \frac{2}{3} (x - 4)

Löse nach

x, \frac{3}{4} x - 4 = \frac{2}{3} (x - 4) : x = 16

Finde age

Mitchell^{'} s age is : 16

Andy^{'} s age is : 12

Beliebte Beispiele

Isaac opened a savings account and deposited 500.00. The account earns 1% interest, compounded annually. If he wants to use the money to buy a new bicycle in 3 years, how much will he be able to spend on the bike?6 is 10 less than twice a number the sum of 2 numbers is 6. the sum of their squares is 28. find the numbers Betty puts 500.00 into an account to use for school expenses. The account earns 11% interest, compounded continuously. How much will be in the account after 6 years?The sum of twice a number and 1 is 11.