If someone can be kind enough to help me out and show me step by step on what to do. U don’t have to do all just do 2f(a) and f(2a) in steps, and please correct any mistake for the first one. I will give you brainliest please need help ASAP!

21.4 i did it already for s1

step-by-step explanation:

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%

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step-by-step explanation:

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