Xiao Ming read a story book. On the first day, he read 1 / 5 of the whole book. On the second day, he read 1 / 2 of the whole book. There are still 33 pages left. How many pages are there in this book

Xiao Ming read a story book. On the first day, he read 1 / 5 of the whole book. On the second day, he read 1 / 2 of the whole book. There are still 33 pages left. How many pages are there in this book


Set the whole book x pages
x - 1/5x - 1/2x =33
Through decomposition, x = 110
So there are 110 pages



Xiao Ming read a story book. On the first day, he read 1 / 5 of the whole book. On the second day, he read 1 / 2 of the whole book. There are still 33 pages left. How many pages are there in this book?


Let there be x pages in total
x-0.2x-0.5x=33
0.3x=33
x=110



Xiao ing read a story book. On the first day, she read one fifth of the whole book. On the second day, she read half of the whole book. There are still 33 pages left. How many pages are there


110 pages

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