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burger ross
Answers (1)
let x be the no. of pennies let y be the no. of nickels let x be the no. of quarters x + y + z = 258 —> Eq. 1 y = 3x —> Eq. 2 x = 1/2z —> Eq 3. Solution: substitute y = 3x to Eq. 1 x + y + z = 258 x + 3x + z = 258 4x + z = 258 Substitute x = 1/2z to
