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Sagot :
Answer:
58 pages left and time is 4
Step-by-step explanation:
let x be the time taken by them
they have same no of pages left means
278-55x = 238-45x
-10x = -40
x=4
55x = 55*4 = 220
278-220 = 58
45x = 45*4=180
238-180 = 58
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