Question

Sara has 400 marbles. if she gives (1/5)th of her marbles to sam and sam gives (3/4)th of his marbles to david, then how many marbles does sam have left?

Answer 1

Given Sara has 400 marbles.

Number of marbles Sara gives to Sam = $\frac{1}{5}0f 400=80 marbles.$

Number of marbles Sam has = 80.

Number of marbles Sam gives to David=$\frac{3}{4} of 80=60 marbles.$

Number of marbles left with Sam =  80-60=20 .

Sam has 20 marbles left.

Answer 2

Given Sara has 400 marbles.

Number of marbles Sara gives to Sam = $\frac{1}{5}0f 400=80 marbles.$

Number of marbles Sam has = 80.

Number of marbles Sam gives to David=$\frac{3}{4} of 80=60 marbles.$

Number of marbles left with Sam =  80-60=20 .

Sam has 20 marbles left.