Answer:
b=7
Step-by-step explanation:
Answer:the ration to x and b that equals c is about 3 dollars
Step-by-step explanation:
Answer:
Invoice price
Step-by-step explanation:
The actual price paid to the manufacturer or distributor by the end-customer retailer, which is known as the invoice price. However, in many industries, the "invoice cost" actually varies from the "net purchase cost," or the actual price of a product. -Wikipedia (I am not sponsoring I am stating my source)
Answer:

Step-by-step explanation:
We need to find the value of 
So let's apply formula





Answer:
Sergio's statement is false
Step-by-step explanation:
Cost of one pound of plum = 1.60
Total quantity of plum bought = 1
Weight of each plum = 1/4 pound
If he buys plum of $ 3.80 at the rate of $1.60 per pound, he purchases 2.375 pounds of plum
Weight of one plum = 1/4 pound, thus total number of plum purchased = 9.5
Since 0.5 pound of plum means half plum which is not possible to buy
Hence Sergio's statement is false