Answer:
Hello! answer: 13
Step-by-step explanation:
-4 × 13 = 52 therefore a = 13 HOPE THAT HELPS!
Hey!
Hope this helps...
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54 * (2/3) = 36 students were on the bus.
54 - 36 = 18 chaperones were on the bus.
Okay so subtract 50 from both sides and you would get 360=90x and then divide each side by 90 and you would get x= 4 so it took 4 hours