Question
Emma has 139 marbles. She has 15 more green marbles than purple marbles. She has 20 fewer blue marbles than purple marbles. How many blue marbles does she have?
4 m

Click button first when a symbol is required. X

Emma has 139 marbles. She has 15 more green marbles than purple marbles. She has 20 fewer blue marbles than purple marbles. How many blue marbles does she have?