Given:
Total number of marbles in the bag = 150
There are 21 blue marbles for every 4 white marbles.
To find:
The number of blue marbles in the bag.
Solution:
Since, there are 21 blue marbles for every 4 white marbles, therefore the ratio of blue marble to white marbles is 21:4.
Let the number of blue marbles be 21x and white marbles be 4x.
Total number of marbles in the bag = 150


Divide both sides by 25.


Now,



Therefore, the number of blue marbles is 126.
Answer:
80%
Step-by-step explanation:
75% + 20% - 15% = 80%
The probability is 80%
Answer:
yes the crew can make a flag using all three shapes
Answer:
Step-by-step explanation:
$62.50 $35.00/ $3.50 = 10
-$27.50 x=10
-------------
$35.00
Matteo can buy a maximum of 10 socks.
Answer:
Letter B
Step-by-step explanation: