You buy painting supplies for $12, and you charge $3 per person to paint faces. how many faces will you need to paint to earn $15 in profit?

Investment = $12

For $15 profit, I have to earn, 12+15 = $27

Charge for 1 person(for paint faces) = 3

multiply by 9,

9 persons= $27

So, 9 person is the answer.

You need to paint 9 faces to earn $15 in profit.

Step-by-step explanation:

Given : You buy painting supplies for $12, and you charge $3 per person to paint faces.

To find : How many faces will you need to paint to earn $15 in profit?

Solution :

Let x represent the number of faces painted.

According to question,

Solving equation,

Therefore, You need to paint 9 faces to earn $15 in profit.

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

answer:

some responsibilities that come with having a checking account -

1. we have to maintain check register with exactness to avoid checks being returned for insufficient funds which is called bouncing a check.

2. we need to update our check register each time we make a transaction using a convenience card. updating check register will   save   us from   overdrawing of checking account.

3. read the agreement the bank gave you when you signed up for our checking account. this includes all the fees and the minimum balance we need to keep in our account to avoid maintenance charges.  

explanation:

note : -   checking account is a transactional deposit account. we can use it to deposit and withdraw funds. money in a checking account is very liquid. it   can be withdrawn using electronic debits, automated cash machines, or checks among other methods.