94
step-by-step explanation:
average the numbers and use a variable to figure out the minimum to get a 90.
(79+94+91+92+x)/5=90
x = 94
26 is 33.33% of 78
26 is what percent of 78?
26 is p% of 78
equation: y = p% * x
solving our equation for p
p% = y/x
p% = 26/78
p = 0.3333
convert decimal to percent:
p% = 0.3333 * 100 = 33.33%