Answer:
There are 50 boys.
Explanation:
Basic calculation: 
→ 50 boys.
Answer:
The unit price of the problem is that one pack of greeting cards costs $1.85
Step-by-step explanation:
In order to find the unit rate, you have to divide the price by the quantity of the product. So, we will divide 7.40 by 4 so we can see the price of one pack.
7.40 ÷ 4 = 1.85
So, one pack of greeting cards costs $1.85 which is also our unit price.
Answer: 7 +2x
Step-by-step explanation:
7 plus twice a number
Twice a number - 2x
7 plus 2x
Answer:
$200.00
Step-by-step explanation:
$2400÷12=$200.
Parallel lines I think, im not sure
