Abag contains 120 marbles. 45% of the marbles link, 35% of the marbles are green. if the remaining marbles are blue, how many blue marbles are in the bag?

Number of blue marbles is 24

Step-by-step explanation:

For pink marbles

45÷100×120=54

For green marbles

35÷100×120=42

Let number of blue marbles=x

x+42+54=120

x+96=120

x=120-96

x=24

answer: she must produce at least 9,000 windows in order to make a profit of $48,000

explanation:

48,000 - 12,000 = 36,000

36,000/4 = 9,000