Liam works in a toy store that sells bags of marbles. he puts 10 marbles in each bag, and 4/10 of the marbles are striped. if liam makes 3 bags of marbles, how many striped marbles does he need?

12

Step-by-step explanation:

Given :liam works in a toy store that sells bags of marbles.He puts 10 marbles in each bag, and 4/10 of the marbles are striped.

To Find:.if liam makes 3 bags of marbles, how many striped marbles does he need?

Solution :

Since he put 10 marbles in each bag

in each bag 4/10 of marbes are striped

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Thus 4 out of 10 are stiped

So. in each bag of 10 marbles 4 marbles are striped

So, in 3 bags of marbles, no. of striped balls are 3*4 =12

Hence he need 12 striped marbles for 3 bags

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.

step-by-step explanation: