Help pls

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?