Answer:
12
Step-by-step explanation:
The proportion is equal to
We can simplify the right side by dividing by 7/7 to get the right side equal to 6/5. Now we can cross-multiply to get
Dividing both sides by 5, we have the answer as
Answer:
The number of selections is 49.
Step-by-step explanation:
drama = 7
horror films = 16
Select 3 movies at least two dramas
For 2 drama and 1 horror film
(3 C 2) x (16 C 1) = 48
For 3 drama
(3 C 3) = 1
So, total number of selections is 48 + 1 = 49.
Answer:
$230n-$2100
Step-by-step explanation:
Profit=revenue-cost
Cost=$2100+$130×n
Revenue=$360×n
Profit=$360n-($2100+$130n
=$360n-$2100-$130n
=$230n-$2100
Answer:
35x
Step-by-step explanation:
Start with parentheses, 2 x 1/2 = 1
9 x 4 = 36
36 - 1 = 35