The left and right page numbers of an open book are two integers whose sum is 557. find these page numbers

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue