Last night, Rachel read for 2 ¼ hours. Mary spent ½ as many hours as Rachel reading. How many hours did Mary spend reading?

4 answers

ohh wow what a surprise!!!
THAT IS A GREAT MATH LEARING
1/2 * 9/4 = 9/8 = 1 1/8
or, using the distributive property,
1/2 (2 + 1/4) = (1/2)(2) + (1/2)(1/4) = 1 + 1/8 = 1 1/8