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Phổ biến Word Problems >

Dianne is 23 years older than her daughter Amy. In 6 years, Dianne will be twice as old as AMy. How old is amy?

Lời Giải

D iann e i s 23 ye a rs o l d er t han h er d a ug h t er A m y . I n 6 ye a rs, D iann e w i ll b e tw i ce a s o l d a s A M y . Ho w o l d i s am y ?

Lời Giải

Amy^{'} s age is : 17

Các bước giải pháp

Translate the problem into an equation:

x + 6 = 2 (x - 23 + 6)

Giải

x, x + 6 = 2 (x - 23 + 6) : x = 40

Tìm Amy's age

: 17

Amy^{'} s age is : 17

Ví dụ phổ biến

The hiệu of twice a number and 3 is greater than 21 90 is 150% of what number The sum of the smallest and largest of 3 consecutive even integers is 8 less than thrice the middle integer.Determine the integers.a fair die is tossed five times what is th probability of obtaining an even number three times The hiệu between two numbers is 9 and the product of the numbers is 162.Let x be the smaller number. Form an equation in x and solve it to find the two numbers.