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Junior high school mathematics entrance examination simulation questions; A middle school will hold a sports meeting. . . . .
(1) If there are x people in Class A, there are (100-X) people in Class B..

80X+70( 100-X)=7480

X = 48 (Grade A)

100-48 = 52 (class b)

(2) The first type: 48*80*0.85+52*70=6904

Type II: 100*65=6500

Choose the second one.

(3) Class B quits from Person A..

26

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