Hello, my daughter took a math test last week that she now has to grade. She asked me for help with the problem, but unfortunately I can't figure it out either. Does anyone know how to do it?
The task is:
Solve the following problem with a suitable equation:
On a bus, all seats are occupied. At the next stop, half of the passengers get off and 18 passengers get back on. Now there are 27 left.
Seats available. How many seats does the bus have?
(1 votes)
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Wenn der Bus voll ist und die Hälfte aussteigt und 18 einsteigen und 27 Plätze frei bleiben ist das
18 + 27 = 45
somit ist 45 die Hälfte.
Also passen 90 Leute in den Bus.
hier die Gleichung:
x ist die Anzahl der Plätze
zunächst ist der Bus voll besetzt: x
dann steigt die Hälfte aus -1/2 x
und 18 steigen zu +18
danach sind 27 frei, d.h besetzt sind dann x-27
36 Plätze müsst richtig sein
War das etwa richtig?
ich habe die Lösung leider nicht😝 aber könnten Sie mir sagen wie Sie darauf gekommen sind?
Ich habe überlegt was 18+18 ist und das Dan zusammen gerechnet und Dan auf 37 gekommen. Demnach müsste der Bus 10 freie Plätze haben