SOLUTION: In a chess tournament, Benny has scored five wins out of 12 rounds. He would like to increase his winning percentage up to at least 65%. At least how many rounds of games should he

Question 1165638: In a chess tournament, Benny has scored five wins out of 12 rounds. He would like to increase his winning percentage up to at least 65%. At least how many rounds of games should he score/win to bring up his average winning percentage to 65%?
Answer by ikleyn(53940) (Show Source): You can put this solution on YOUR website!
.

Calculate 65% of 12 rounds.

This number is a decimal - not an integer.
So, you need to round this decimal number to the closest lesser integer number.

Follow this my recipe: it will lead you to correct answer.

RELATED QUESTIONS
Larry and Curly decide to have a chess match. The probability of Larry winning in 0.4.... (answered by Boreal)

A and B play 12 games of chess of which 6 are won by A, 4 are won by B, 2 ends in a draw. (answered by Fombitz)

1. A and B play 12 games of chess of which 6 are won by A,4 are won by B and two ends in... (answered by ewatrrr,ikleyn)

Four teams A, B, C, and D compete in a tournament, and exactly one of them will win the... (answered by math_tutor2020,greenestamps)

May you please help me on this word promblem? : a chess tournament starts with 64 people (answered by solver91311)

An and Bình are playing a game consisting of multiple rounds. The first person to reach... (answered by ikleyn)

In a round-robin chess tournament, each player is paired with every other... (answered by jim_thompson5910,ikleyn)

Zach has 3/4 hour to play video games. It takes him 1/12 hour to set up the system. Each... (answered by ankor@dixie-net.com)

A and B plays 12 games of chess of which 6 are won by A, 4 are won by B and two ends on a (answered by ewatrrr,ikleyn)