Fractions and Percentages
Sarah has a collection of 120 marbles. She decides to give 25% of her marbles to her friend and then loses 1/3 of the remaining marbles. How many marbles does Sarah have left?
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Sarah gives 25% of her marbles to her friend:
ReplyDeleteMarbles given to friend = 0.25 × 120 = 30
Marbles remaining = 120 - 30 = 90
Sarah then loses 1/3 of the remaining marbles:
Marbles lost = 1/3 × 90 = 30
Marbles left = 90 - 30 = 60
Sarah has 60 marbles left.