Hi,

Miriam 'always' was and 'always' will be 4 year older than Ricardo

Let x be Ricardo's age and (x+4) Miriam's age

.

Question states following was true 10 years ago

(x+4) = 3x

4=2x

2 = x  

Ten years ago: Ricardo was 2 and Miriam was 6

Now Ricardo is 12 and Miriam is 16

.

check your answer

16 -10 = 3*(12-10) 

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
 M=R+4

M-10=3(R-10)

(R+4)-10=3(R-10)

R+4-10=3R-30

R-3R=-30+10-4

-2R=-24

R=-24/-2

R=12 YEARS OLD NOW.

M=12+4=16 YEARS OLD NOW.

PROOF:

16-10=3(12-10)

6=3*2

6=6 

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