Question
Oliver had 9 more green marbles than grey marbles at first. His father then gave him 11 green marbles and his classmates gave him 152 grey marbles for Christmas. Oliver realised that he now had five times as many grey marbles as green marbles. How many marbles did Oliver have in the end?
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Oliver had 9 more green marbles than grey marbles at first. His father then gave him 11 green marbles and his classmates gave him 152 grey marbles for Christmas. Oliver realised that he now had five times as many grey marbles as green marbles. How many marbles did Oliver have in the end?