please answer tthis question anyone i would give brainlest but i dont know how to yet.

Answer:
The answer is 149
Step-by-step explanation:
Simple, just add the amount of pages that she read on Monday, Tuesday, and Wednesday.
214 + 128 + 209= 551
Key word(s) to see what operation to use: How many more(means to subtract).
Subtract the amount of pages she read to how many is in the book.
700-551=149
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Now you have your answer, she has 149 more pages left to read!
Hope this helped.