Answer: 23 blue marbles
Step-by-step explanation: If we know that there are 46 marbles in a bag and 1/2 of the marbles in the bag are blue, then we can find out how many blue marbles there are. The fraction 1/2 is equivalent to 50% which means that half of the marbles are blue. To solve this problem from here, we need to divide 46 by 2 and we will get our answer.
46 ÷ 2 = 23
Therefore, there are 23 blue marbles in the bag.
