Mr. beard bought 10 acres of land. she plans to divide the land into smaller lots that are each 1/20 of an acre. how many smaller lots will she have?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

I’m stuck on this equation, anyone got the answer?