Earlier 4970

Tomáš and Lukáš read the same book. Tomas read 21 pages a day and read it one day earlier than Luke, who read 18 pages a day. How many pages did the book have?

Correct answer:

s =  126

Step-by-step explanation:

s=21t s = 18(t+1)  21t=18(t+1)  21 t=18 (t+1)  3t=18  t=318=6  t=6  s=21 t=21 6=126



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