Answer:
25
Step-by-step explanation:
We need to set up a system of equations, then solve for the number of board markers.
Let r represent red pens, let b represent board markers.
She has 41 items, so our first equation is r+b=41.
The total cost is $46.30, so our second equation is .55r+1.5b=46.3.
r+b=41
.55r+1.5b=46.3
Let's use substitution.
r+b=41
r=41-b
.55r+1.5b=46.3
.55(41-b)+1.5b=46.3
22.55-.55b+1.5b=46.3
22.55+.95b=46.3
.95b=23.75
b=25
He bought 25 board markers.
If you would like to find the function that gives the profit Betty makes by selling a number of glasses of lemonade, you can find this using the following steps:
p ... profit
g ... glasses of lemonade
f(g) = p = g * $1 - $50
The correct result would be f(g)<span> = g * $1 - $50.</span>
Answer:
Step-by-step explanation:
Remember simple multiplication? Write the problem with 17 at the bottom:
8
* 1 7
----------
5 6 <-- this is 8*7
8 0 <-- this is 8*10 [we sometimes just shift and don't write the 0]
-------
1 3 6
So, 8*17 is the same as 8*10 + 8*7.
Answer:
Part A From the choices provided, select all the questions that represent statistical questions. What was the temperature at 5:00 p.m. today in Boston? What was the temperature at 5:00 p.m. today in Boston? How many pieces of fruit were used to make Shawn’s smoothie today? How many pieces of fruit were used to make Shawn’s smoothie today? How many states are there? How many states are there? What types of food do students in your school bring for lunch each day? What types of food do students in your school bring for lunch each day? How many books did each student check out at the library last year? How many books did each student check out at the library last year? Question 2 Part B Of the statistical questions you selected, which are categorical? Explain.
