how can solve

Asked by Angel Sanaf farooqui | 19th Jun, 2013, 04:46: PM

Expert Answer:

Answer 
=> (15 /20)(3230 - 10 y) +30 y = 3045
=> (3 /4 )( 646 - 2 y ) + 6y = 609     {divide by 5 both sides and simplify}
 => 1938 -6 y + 24 y = 2436 
=> 1938 + 18y = 2436 
=> 18 y = 498
=> y =  249 / 9 Answer

Answered by  | 19th Jun, 2013, 09:50: PM

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