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פּוֹפּוּלָרִי Word Problems >

Kevin is 39 years old and Daniel is 3 years old.How many years will it take until Kevin is only 4 times as old as Daniel?

פתרון

Ke v in i s 39 ye a rs o l d an d D ani e l i s 3 ye a rs o l d . Ho w man y ye a rs w i ll i t t ak e u n t i l Ke v in i s o n l y 4 t im es a s o l d a s D ani e l ?

פתרון

Number of years from now : 9

צעדי פתרון

Translate the problem into an equation:

4 (3 + x) = 39 + x

4 (3 + x) = 39 + x, x

פתור בשביל:

x = 9

Number of years from now : 9

דוגמאות פופולריות

A number times 5, minus 6, is 8 The radius of a circle is 41 inches. What is the circle's circumference?if you borrow 2,000 dollars for 7 years at an annual interest rate of 15% what is the total amount of money you will pay back?The circumference of a circle is 9pipi in. Find its radius,helen is 13 years old. helens fathers is 4 years more than twice her age. how old is her father?