Its d) f(x)= 300+50x/2+x..............................................................................
7/8 = 0.875
14/16 = 0.875
Therefore, 7/8 = 14/16
Width= 8 cm
Because 192 / 2 = 96 / 12 = 8
SA= (perimeter * height) + 2 (length * width)
SA= (20*12)+2(2*8)
SA= 240+32
SA= 272 cm2
