Answer:
4 red marbles
Step-by-step explanation:
green marbles = 9r
red marbles = r
9r + r = 40
10r = 40
r = 4 = red marbles
2.1 gigabytes have been downloaded so far
Answer:
43
Step-by-step explanation:
90-47=43
Answer:
x=4
Step-by-step explanation:
He had $5,000,000 in CD sales; $3,300,000 in video sales; and he earned $1,245,000 in royalties.
1,000,000 CDs * $5 each = $5,000,000
550,000 videos * $6 each = $3,300,000
Total sales = 5,000,000+3,300,000 = 8,300,000
15% royalties = 0.15(8,300,000) = 1,245,000
