zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

Tim is 5 years older than JoAnn. Six years from now, the sum of their ages will be 79. how old will tim be six years from now

解答

T im i s 5 ye a rs o l d er t han J o A nn . S i x ye a rs f ro m n o w, t h e s u m o f t h e i r a g es w i ll b e 79. h o w o l d w i ll t im b e s i x ye a rs f ro m n o w

解答

Ti m^{'} s age in 6 years : 42

求解步骤

Translate the problem into an equation:

x + 6 + x - 5 + 6 = 79

求解

x, x + 6 + x - 5 + 6 = 79 : x = 36

找到 Tim's age in 6 years:

42

Ti m^{'} s age in 6 years : 42

流行的例子

Calculate the simple interest earned on an investment of 3020 at 2% p.a. for 3 years. Give your answer to the nearest cent.Write as a mathematical equation.Nine less than 15 times a number is 6.6 times a number is 7 less than the square of that number.Which number is less than-3 or greater than 5 the cost of a pool has increased by 9% if it is 4200 now, how much would the identical pool cost a year ago