find the value of r if the coefficient of x ^r and x^(r+1) are equal in the binomial expansion of(3x + 2)^19

26 is 33.33% of 78

step-by-step explanation:

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%

25/6 hope it : )

step-by-step explanation:

if i did my math right then the answer should but 108