If A and B are sets and AUB=A∩B ,then which of the following true for A and B
1 answer:
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Answer:
Number of marbles with Williams at the starting = 192
Step-by-step explanation:
Let total number of marbles with Williams = m
He lost marbles = 25% of the total number
=
=
Remaining marbles with Williams = m -
=
He gave marbles to his brother = th of the remaining marbles
=
=
Remaining marbles after giving marbles to his brother = 120
Therefore,
m =
m = 192
Number of marbles with Williams at the starting = 192