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פּוֹפּוּלָרִי Word Problems >

Jack is twice as old as Lacy. In three years the sum of their ages will be 54.How old are they now?

פתרון

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. Ho w o l d a re t h ey n o w ?

פתרון

Lacy^{'} s age is : 16

Jack^{'} s age is : 32

צעדי פתרון

Translate the problem into an equation:

2 x + 3 + x + 3 = 54

2 x + 3 + x + 3 = 54, x

פתור בשביל:

x = 16

age מצא את

Lacy^{'} s age is : 16

Jack^{'} s age is : 32

דוגמאות פופולריות

Maraheb’s parents invested 14,000 at 3% interest compounded quarterly. How much money will be in the account after 10 years The square root of the sum of two consecutive integers is 7. Find the two integers.Find the area of a circle with a diameter of 16.the sum of two numbers is 25. Their difference is 7.Rick inherited some money from his grandfather and put it in a bank account that earns 4% interest compounded annually. After 7 years, Rick had 700.00 in the bank account. How much interest did he earn? write answer with three decimals