vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

Ashley is 10 years older than her sister Brianna. Two years ago, Ashley was 6 times:Brianna's age. How old is Brianna now?

Lời Giải

A s h l ey i s 10 ye a rs o l d er t han h er s i s t er B r ianna . Tw o ye a rs a g o, A s h l ey w a s 6 t im es : B r iann a^{'} s a g e . Ho w o l d i s B r ianna n o w ?

Lời Giải

Brianna^{'} s age is : 4

Các bước giải pháp

Translate the problem into an equation:

x - 2 = 6 (x - 10 - 2)

Giải

x, x - 2 = 6 (x - 10 - 2) : x = 14

Tìm Brianna's age

: 4

Brianna^{'} s age is : 4

Ví dụ phổ biến

Andrew is going to invest in an account paying an interest rate of 2.2% compounded quarterly. How much would Andrew need to invest, to the nearest hundred dollars, for the value of the account to reach 93,000 in 19 years?Mackenzie invested 770 in an account paying an interest rate of 6.1% compounded continuously. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach 1,830?Calculate the probability of a card that was a heart or spade Austin invested 200 in an account paying an interest rate of 6.1% compounded quarterly. Assuming no deposits or withdrawals are made, how much money, to the nearest ten dollars, would be in the account after 15 years?Matmat is playing a card game together with his friends as their activity during their leisure time. He was stuck in a win or lose situation. When he draws a card from the standard deck of cards, what is the probability of getting an odd number that is less than 10, but greater than 3 or a black?