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Populaire Word Problems >

Two years ago John was three times as old as Frank. Five years from now John will be twice as old as Frank. what is the sum of their ages right now?

Solution

Tw o ye a rs a g o J o hn w a s t h ree t im es a s o l d a s F r ank . F i v e ye a rs f ro m n o w J o hn w i ll b e tw i ce a s o l d a s F r ank . w ha t i s t h e s u m o f t h e i r a g es r i g h t n o w ?

Solution

the sum of their ages : 32

étapes des solutions

Translate the problem into an equation:

x - 2 = 3 (y - 2), x + 5 = 2 (y + 5)

x - 2 = 3 (y - 2), x + 5 = 2 (y + 5) : x = 23, y = 9

Trouver the sum of their ages :

32

the sum of their ages : 32

Exemples populaires

Mike is 28 years old.The sum of the ages of Mike and Steven is 79.How old is Steven?Ben is 4 times as old as Ishaan and is also 6 years older than Ishaan. How old is Ishaan?Rohan is twice as old as Mahi. Seven years ago, the sum of their ages was 31 . How old is Mahi now?Justin rode his bike.He rode 4 miles in 25 minutes.At this rate,how many miles could Justin ride in 75 minutes.A hot air balloon travels 18 miles in 3 hours. At this rate, how many miles will the hot air balloon travel in 3/4 hour?