Pepa book pages

The book has 500 pages. Pepa has read half as many pages as he has left. How many pages did Pep read?

Final Answer:

a =  300

Step-by-step explanation:

n=500  a+b=n a = b+b/2  a+b=n a = 1.5b b = a/1.5  a + a/1.5 = n  1.5a+a=1.5n 1.5a+a=1.5 500  1.5 a+a=1.5 500  2.5a=750  a=2.5750=300  a=300



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