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פּוֹפּוּלָרִי Word Problems >

tina is ten years older than cosmo. in 4 years, tina will be twice as old as cosmo. how old are they now

פתרון

t ina i s t e n ye a rs o l d er t han cos m o . in 4 ye a rs, t ina w i ll b e tw i ce a s o l d a s cos m o . h o w o l d a re t h ey n o w

פתרון

Tina^{'} s age is : 16

Cosmo^{'} s age is : 6

צעדי פתרון

Translate the problem into an equation:

x + 4 = 2 (x - 10 + 4)

x + 4 = 2 (x - 10 + 4), x

פתור בשביל:

x = 16

age מצא את

Tina^{'} s age is : 16

Cosmo^{'} s age is : 6

דוגמאות פופולריות

There are two mystery numbers. The sum of 9 times the first number and 8 times the second number is 44. The sum of 2 times the first number and 9 times the second number is 17. What are the two numbers?The product of two consecutive integers is 272. Which quadratic equation can be used to find x, the smaller number?The difference of two numbers is 16 and the sum of their squares is 130. WHat are the two numbers?Erin opened a savings account and deposited 800.00 as principal. The account earns 7% interest, compounded annually. What is the balance after 8 years?The sum of twice a number and 4 is 14