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인기 있는 Word Problems >

Carlo is 12 years older than his brother. In 6 years, he will be twice as old as his brother. Find the present age of each.

해법

C a r l o i s 12 ye a rs o l d er t han hi s b ro t h er . I n 6 ye a rs, h e w i ll b e tw i ce a s o l d a s hi s b ro t h er . F in d t h e p rese n t a g e o f e a c h .

해법

Carlo^{'} s age is : 18

Brother^{'} s age is : 6

솔루션 단계

Translate the problem into an equation:

x + 6 = 2 (x - 12 + 6)

x

해결 대상

, x + 6 = 2 (x - 12 + 6) : x = 18

age 찾다

Carlo^{'} s age is : 18

Brother^{'} s age is : 6

인기 있는 예

the sum of the two number is 40. one of the numbers exceeds the other number by 10. find the value of the smaller number six times the sum of a number and 25 is at least 21 The diameter of a circle is 84 kilometers. What is the circle's 원둘레?Use pi \approx3.14 and round your answer to the nearest hundredth.the quotient of ten and a number is two fifths five more than three times a number is 17