Question 895274
{{{x/17 = 0.92}}}
{{{x = 0.92*17}}}

{{{y/8 = 0.84}}}
{{{y = 0.84*8}}}

{{{(x+y)/(17+8) = (0.92*17 + 0.84*8)/25}}}
{{{(x+y)/(17+8) = 22.36/25}}}
0.8944*100=89.44%