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인기 있는 Word Problems >

Anita is 4 times older than Frank. In 5 years, Anita will be 3 times as old as Frank. Find their present ages.

해법

A ni t a i s 4 t im es o l d er t han F r ank . I n 5 ye a rs, A ni t a w i ll b e 3 t im es a s o l d a s F r ank . F in d t h e i r p rese n t a g es .

해법

Frank^{'} s age is : 10

Anita^{'} s age is : 40

솔루션 단계

Translate the problem into an equation:

4 x + 5 = 3 (x + 5)

x

해결 대상

, 4 x + 5 = 3 (x + 5) : x = 10

age 찾다

Frank^{'} s age is : 10

Anita^{'} s age is : 40

인기 있는 예

Blake went shopping for a new pair of pants because of a sale. The store was offering a 10% discount. If the price on the tag was 40, what would be the price after the discount but before tax, to the nearest dollar and cent?FIVE LESS THAN TWICE A NUMBER The 차이 of four times a number and seven is ten more than the number The sum of a number times 3 and 21 is at least-15 15 minus a number is less than or equal to 8 times that number. what is the number?