Answer:
21 feets
Step-by-step explanation:
Since the lure is 21 feets beneath the water surface,
The the elevation of the lure is - 21 feets
If the surface of water = x
Then current distance of lure equals :
x - 21
To obtain the nunber of feets to reach the water surface ;
x - 21 = 0
x = 21 feets
Answer:
If 6 apples cost $1.98 then 20 apples cost
Step-by-step explanation:
First you want to find the unit rate so divide both numbers
so the answer is 3
The collected tax on purchase of $76.00 is $5.32
Further explanation:
The sales tax is calculated on the total sales by the formula
Given
Total purchase = $76.00
Percentage of tax = 7%
So,
Putting the values in the formula
So, the collected tax on purchase of $76.00 is $5.32
Keywords: Tax, tax calculation
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The sum of y and 9
Hope this helps
Let b=the number of boxes, c=cost of the pens
The expression that represents the total cost of the pens if a box costs 4 dollars and then she gets a 1 dollar discount for every additional box is c(b)=3b+1. We got this from the original equation c(b)=4+(4-1)(b-1). Simplify this and you will get c(b)=3b+1.
