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Популярное Word Problems >

At present, Deborah's father is 39 years older than Deborah. 6 years ago, her father was 4 times as old as her. Solve for y, Deborah's current age.

Решение

A t p rese n t, De b or a h^{'} s f a t h er i s 39 ye a rs o l d er t han De b or ah . 6 ye a rs a g o, h er f a t h er w a s 4 t im es a s o l d a s h er . S o l v e f or y, De b or a h^{'} s c u rre n t a g e .

Решение

Deborah^{'} s age is : 19

Шаги решения

Translate the problem into an equation:

x - 6 = 4 (x - 39 - 6)

Решите для

x, x - 6 = 4 (x - 39 - 6) : x = 58

Найдите Deborah's age

: 19

Deborah^{'} s age is : 19

Популярные примеры

The диаметр of a circle is 26 cm. Find its area to the nearest whole number find the term in the number pattern equals 451 the pattern increases by 7 determine the smallest positive integer and the most negative integer for which the разность between the square of 5 more than this number and the cube of 1 more than this number exceeds 22.Twice a number and minus five is less than ten Twenty-five decreased by thrice a number is 7 . What is the number?