Which of the following shows estimating 287 + 491 by using compatible numbers?
4 answers
What following?
100 + 500 300 + 400 280 + 400
280 + 500 My answer here is 280 +
400
280 + 500 My answer here is 280 +
400
It's 280 + 500
I WOULD CHOOSE 280+500 AS THE ANSWER TO THE QUESTION.CATCHA LATER.