So, firstly, in order for us to know how much is each baseball card pack, we divide 12 dollars by 4 and we get 3. Therefore, each baseball card pack costs $3. So for 21 dollars, he can purchase 7 baseball card packs. 21 divided by 3 is 7. Hope this answers your question. Have a great day!
Answer:
a. 1/20 liters in each glass.
b. 50 ml in each glass.
Step-by-step explanation:
a. To find how many liters are in each glass, you have to divide the 1/4 liters by 5 glasses, because the water is poured equally.
Using the division properties of fractions:
b. Use the rule of three to convert from liters to milliliters.
Now, multiply 1/20 l by 1000 ml and divide by 1 l to obtain x.

Answer:
89 green marbles and 46 blue marbles
Step-by-step explanation: