vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

Joy is 2/3 as old as Lyd. Six years ago, Joy is 20 less than Lyd's age.:How old are they 6 years ago?

Lời Giải

J oy i s \frac{2}{3} a s o l d a s L y d . S i x ye a rs a g o, J oy i s 20 l ess t han L y d^{'} s a g e . : Ho w o l d a re t h ey 6 ye a rs a g o ?

Lời Giải

Lyd age 6 years ago : 54

Joy age 6 years ago : 34

Các bước giải pháp

Translate the problem into an equation:

\frac{2}{3} x - 6 = x - 6 - 20

Giải

x, \frac{2}{3} x - 6 = x - 6 - 20 : x = 60

Tìm age

Lyd age 6 years ago : 54

Joy age 6 years ago : 34

Ví dụ phổ biến

The bán kính of a circle is 2 meters. What is the circle's area?The perimeter of a rectangular garden is 364 feet. If the length of the garden is 99 feet, what is its width?The đường kính of a circle is 6 m. Find its area in terms of area The area of a circle is 4.5216 square inches. What is the circle's chu vi?If a fair die is rolled 5 times, what is the probability, rounded to the nearest thousandth, of getting at most 2 fours?