Answered

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Which combination could the coach buy?Remember: There are 400 spaces.x = the number of regular carsy = the number of compact carsClick on the correct answer.170 regular, 260 compactX 180x + y s 400175 regular, 225 compact300 –210 regular, 190 compact200 –10001200100300XS 180x + y s 400

Sagot :

Check each option to see if it satisfies both conditions:

1.- x≤180

2.- x+y≤400

Remember that x represents regular cars and y represents compact cars.

170 regular, 260 compact.

Then, x=170 and y=260

[tex]\begin{gathered} 170\le180\Rightarrow x\le180 \\ 170+260=430>400\Rightarrow x+y>400 \end{gathered}[/tex]

The second condition is not satisfied.

175 regular, 225 compact

Then, x=175, y=225

[tex]\begin{gathered} 175<180\Rightarrow x<180 \\ 175+225=400\Rightarrow x+y=400 \end{gathered}[/tex]

Both conditions are satisfied, then this option is correct.

210 regular, 190 compact

Then, x=210, y=190

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