Parentheses x plus y parentheses parentheses divided by three equals five solve for x

Write the following as a base and exponent

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.

Im so bad at fractions they are not my best math thing to work on