Trying to understand the estimate sum of 87+34 i know the answer is 121 and we rounded to 120 but how do i round the 87 and 34
i put 87=90 and 34=30 which will make 120 still but i thought anything higher than 5 will round up and anything under 5 rounds down

Will mark brainliest, , and rate to only chrislaurencelleenzo is making a scale drawing of the rectangle below. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~imageenzo says that he can draw an enlarged rectangle that is 16 centimeters by 13 centimeters. which explains whether enzo is correct? enzo is correct because he used a factor of 2 to enlarge the rectangle.enzo is correct because he doubled one dimension and added the two lengths to get the other dimension.enzo is not correct because the enlarged rectangle should be 16 centimeters by 5 centimeters.enzo is not correct because he did not multiply the length and width by the same factor.