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

Sara has = 400 marbles
Sara gives marbles to sam. = 1/5th
sam have marbles. = ?

$400 \times 1 \div 5 = x \\ 80 = x$
There fore sam has 80 marbles
sam give marbles to David. =3/4 th

$y = 3 \div 4 \times 8 \\ y = 60$
sam gave marbles to David = 60marbles
sam have remaining marbles=

sam first have marbles- sam given marbles
$80 - 60 = 20$

San have 20 remaining marbles

Answer 2

Answer:

20

Step-by-step explanation:

sara has=400morbles

sara gives to Sam 1/5=(1/5)×400=80

Sam gives to David 3/4=(3/4)×80=60

remaining Sam to have=80-60=20 morbles