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Phổ biến 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.

Lời Giải

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 .

Lời Giải

Carlo^{'} s age is : 18

Brother^{'} s age is : 6

Các bước giải pháp

Translate the problem into an equation:

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

Giải

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

Tìm age

Carlo^{'} s age is : 18

Brother^{'} s age is : 6

Ví dụ phổ biến

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 chu vi?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