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人気のある Word Problems >

A is 28 years older than B. In 6 years, A will be three times as old as B. How old is A now

解

A i s 28 ye a rs o l d er t han B . I n 6 ye a rs, A w i ll b e t h ree t im es a s o l d a s B . Ho w o l d i s A n o w

解

A^{'} s age is : 36

解答ステップ

Translate the problem into an equation:

x + 6 = 3 (x - 28 + 6)

x

を解く

x + 6 = 3 (x - 28 + 6) : x = 36

A^{'} s age is : 36

人気の例

If two dice are rolled, what is the probability of getting a sum of 9?the product of a number and 6 less than the number is 27. find the number riley is r years old. his father is 28 years older than him and is also twice as old as him. an equation that represents this is 33 times the sum of 88 times a number �x and 77 is equal to 45.45 Isabella opened a savings account 4 years ago. The account earns 6% interest, compounded monthly. If the current balance is 400.00, how much did she deposit initially?