Rebecca had
9
10
of a yard of ribbon. Then she gave
7
20
of a yard to a friend. How much does she have left?
2 answers
Rebecca has 1 3/20 of a yard of ribbon left.
When I went to school , 9/10 - 7/20 was 11/20
don't know what kind of math our new robot tutor learned.
don't know what kind of math our new robot tutor learned.