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Question

Monica is playing a knocking pins game in a fair. She will get 3 points if she knocks over orange pin and 4 points for blue pins. To play, it costs 0.75foreachattempt.IfMonicaknocksoverporangepins,theexpression3p + 4(12 - p)$ represents the total number of points she earns. How much did Monica spend, in dollars, for playing this game?

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Solution

The correct option is **C** 9

Given Monica is playing a knocking pins game in a fair.

Given Monica is playing a knocking pins game in a fair.

She will get 33 points if she knocks over orange pin and 44 points for blue pins.

To play, it costs $0.75$0.75 for each attempt.

Monica knocks over pp orange pins, the expression 3p+4(12−p)3p+4(12−p) represents the total number of points she earns

As per total numbers Monica play P for orange pin and

12−p for blue pin

Then total attempt are p+(12−p)=12

So Monica spend playing =12×0.75=9

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