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Популярное Word Problems >

Peter is 28 years older than John. In 6years, Peter will be three times as old as John. How old is Peter? SOLUTION:

Решение

P e t er i s 28 ye a rs o l d er t han J o hn . I n 6 ye a rs, P e t er w i ll b e t h ree t im es a s o l d a s J o hn . Ho w o l d i s P e t er ? SO LU T I ON :

Решение

Peter^{'} s age is : 36

Шаги решения

Translate the problem into an equation:

x + 6 = 3 (x - 28 + 6)

Решите для

x, x + 6 = 3 (x - 28 + 6) : x = 36

Peter^{'} s age is : 36

Популярные примеры

Question What is the volume of a sphere with a радиус of 6.7m , rounded to the nearest tenth of a cubic meter? Answer Attempt 1 out of 2 m^3 Submit Answer Two times a number plus 3 times the same number equals 15 Find each number.:Find 80% of 80 A TRIANGULAR LOT LANDSCAPE HAS A BASE OF 24 METERS AND A HEIGHT OF 12 METERS.FIND ITS AREA One number is four times another number and their sum is 175. Find the numbers.