it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

Jack is 6 years older than Jill. If four years ago Jack was 3 years less than twice Jill's age, how old is Jill now?

Soluzione

J a c k i s 6 ye a rs o l d er t han J i ll . I f f o u r ye a rs a g o J a c k w a s 3 ye a rs l ess t han tw i ce J i l l^{'} s a g e, h o w o l d i s J i ll n o w ?

Soluzione

Jill^{'} s age is : 13

Fasi della soluzione

Translate the problem into an equation:

x - 4 = 2 (x - 6 - 4) - 3

Risolvi per

x, x - 4 = 2 (x - 6 - 4) - 3 : x = 19

Trova Jill's age

: 13

Jill^{'} s age is : 13

Esempi popolari

Charlotte works at a lab with a huge circular particle accelerator. It has been carefully engineered to have a circonferenza of 12.56 miles. What is the accelerator's diameter?Find the radius of a circle with circonferenza of 45pi centimeters.12 is 20% of what number?determines a natural number such that the sum of its third part and its double is 10 is equal to triple the number itself Supposed you invest 2000 at the annual interest rate of 5.6% compounded continuously. How much will you have in the account after 2.5 years?