Ratio and proportion
By: by Marion Smoothey ; illustrated by Ann Baum.
Contributors: Baum, Ann, ill.
Series: Let's investigate
Publisher: Marshall Cavendish
Published: 1995
Place of publication: New York
Language: eng
Number of pages: 64
ISBN-13: 9781854357762; 9781854357731
Subjects: Ratio and proportion -- Juvenile literature; Ratio and proportion
Notes: Includes index.