# Two computer programs together require 51.8 MB of memory. if one program requires 2.0 MB of memory more than twice the memory of the other, what are the memory requirements of each program?

2
by sweetysiri92

2014-08-15T09:07:19+05:30
The memory requirements for each programme are16.2 MB,35.6 MB
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let memory required for first programme be x and second programme be y.so x+y= 51.8.given one memory requires 2 MB more than twicw te other. Therefore y= 2x+2. Substitute the value of y in first equation i.e x+y= 51.8. so x+2x+2=51.8.this implies 3x+2=49.8. so x=49.8/3=16.2. therefore y=2x+2=2(16.2)+2=35.6 therefore x=16.2,y=35.6
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2014-08-15T13:30:59+05:30
Lets second program requires X MB memory, then 2.0 MB of memory more than twice the memory of second is (2X + 2.0) MB memory.

X + (2X + 2.0) = 51.8
3X + 2.0 = 51.8
3X = 51.8 - 2.0
3X = 49.8
X = 16.6

So first program requires 16.6 MB
other requires 51.8 - 16.6 = 35.2 MB