Pablo has 40 marbles. Carmen has 10 more marbles than Pablo.Andrew has 10 more than Carmen.How many more marbles does Andrew have than Pablo?

3 answers

Pablo: 40 marbles.
Carmen: 40 + 10 = 50 marbles.
Andrews: 50 + 10 = 60 marbles.

60 - 40 = 20 more than Pablo.
Pablo has 40 marbles.Carmen had 10 more marbles than Pablo.Andrew has 10 more than Carmen.How many marbles do they have altogether ?
Total = 40 + 50 + 60 =