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Popolare Word Problems >

Five years ago, Nina was twice as old as Sam. In five years, she will be 1.5 times as old as Sam. How old are Nina and Sam now?

Soluzione

F i v e ye a rs a g o, N ina w a s tw i ce a s o l d a s S am . I n f i v e ye a rs, s h e w i ll b e 1.5 t im es a s o l d a s S am . Ho w o l d a re N ina an d S am n o w ?

Soluzione

Nina^{'} s age is : 25

Sam^{'} s age is : 15

Fasi della soluzione

Translate the problem into an equation:

x - 5 = 2 (y - 5), x + 5 = 1.5 (y + 5)

x - 5 = 2 (y - 5), x + 5 = 1.5 (y + 5) : x = 25, y = 15

Nina^{'} s age is : 25

Sam^{'} s age is : 15

Esempi popolari

d. Indicator Dakora is three years more than twice the age of Bayor. If Bayor was 14 years two years ago. Find Dakora's present age Sylvia is 12 years older than her sister Stacy. She is also 5 times as old as Stacy. How old is stacy jean is twice as old as her brother wayne. Three years from now, the sum of their ages will be 39. Find their present age 4.A father is 7times as old as his son. Two years ago, the father was 13 times as old asa his son. What are their preaent ages?19.Terry is 8 years older than Jenny. The sum of their ages is 56. How old is Terry?