it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

Tina is 10 years older than Grace. In 4 years time, Tina will be twice as old as Grace. How old are they now.

Soluzione

T ina i s 10 ye a rs o l d er t han G r a ce . I n 4 ye a rs t im e, T ina w i ll b e tw i ce a s o l d a s G r a ce . Ho w o l d a re t h ey n o w .

Soluzione

Tina^{'} s age is : 16

Grace^{'} s age is : 6

Fasi della soluzione

Translate the problem into an equation:

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

Risolvi per

x, x + 4 = 2 (x - 10 + 4) : x = 16

Trova age

Tina^{'} s age is : 16

Grace^{'} s age is : 6

Esempi popolari

The circonferenza of a circle is 20𝜋 inches. What is the area?Increase 120 75% by whats the new amount?70 is 0.70 of what number The circonferenza of a circle is 13.816 meters. What is the circle's area?The sum of two numbers is 30 and their differenza is 12.