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Answer:
19 14/5
Step-by-step explanation:
4 1/3 x 4 3/5
13/3 x 23/5
299/15 = 19 14/5
The total number of marbles in the bag is 7, since 3+4=7. There are 3:4 black marbles, so 3/7 of the bag is black marbles, which can be written as 3:7.
4/7 of the bag is red marbles, which can be written as 4:7
Answer:
n=3
Step-by-step explanation:
-4n-40=-2(7n+5)
Distribute the -2
-4n -40 = -14n -10
Add 14n to each side
-4n+14n -40 = -14n +14n-10
10n -40 = -10
Add 40 to each side
10n -40+40 = -10+40
10n = 30
Divide each side by 10
10n/10=30/10
n =3
Its C, you have to add all the numbers up and divide by how many numbers there are
