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Mathematics 15 Online
OpenStudy (mathmath333):

question

OpenStudy (mathmath333):

\(\large \color{black}{\begin{align} & \normalsize \text{There is a squad of 16 cricketers including 9 batsmen and 7 bowlers. }\hspace{.33em}\\~\\ & \normalsize \text{In how many ways can a team of 11 cricketers be formed such that it }\hspace{.33em}\\~\\ & \normalsize \text{contains 6 batsmen and 5 bowlers.}\hspace{.33em}\\~\\ \end{align}}\)

OpenStudy (anonymous):

Fill in the blank; Jess observed that 60 % of the people at a mall on a particular day shopped for clothes. If 2,500 people at the mall did not shop for clothes that day, the number of people who shopped for clothes that day was _ _ _ _ _ _ _ __? (Only put numeric values, no other symbols)

OpenStudy (mathmath333):

hint 2,500=40%

OpenStudy (anonymous):

So 2,500/40

OpenStudy (mathstudent55):

In forming the team, order in not important. You need to choose 6 out of 9 and 5 out of 7.

OpenStudy (mathmath333):

\(\large \color{black}{\begin{align} 2500=\dfrac{40}{100}x\hspace{.33em}\\~\\ \end{align}}\) solve for \(x\)

OpenStudy (mathmath333):

u mean 9C6+7C5

OpenStudy (anonymous):

So its 6,250?

OpenStudy (mathstudent55):

Close, but not +; you need * between the two.

OpenStudy (mathmath333):

total -40%=6,250-2500

OpenStudy (anonymous):

3750?

OpenStudy (mathmath333):

ok thnx

OpenStudy (mathmath333):

yep correct

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