A bag contains blue marbles and red marbles, 107 in total. The number of blue marbles is 7 more than 4 times the number of red marbles. How many blue marbles are there?

Answer: red is 13.36

Blue is 93.625

Step-by-step explanation:

Let the red marbles be y

Based on the question, red is 4times which means 4y

And blue is 7times greater than red which means 7 (4y)

Blue + red=107

7 (4y) + 4y=107

28y+4y=107

32y=107

Divide both sides by 32

Y=3.34

Red = 4y

Red = 4 (3.34)

Red = 13.36

Blue = 7 (4y)

Blue=7 (4*3.34)

Blue = 93.625