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Yanka [14]
2 years ago
15

This equation shows how the money Morristown Middle School spends on workbooks is related to the total number of workbooks they

buy.
d = 40t

The variable t represents the number of workbooks bought by the school, and the variable d represents the total cost of those workbooks. How much would it cost Morristown Middle School to buy a total of 2 workbooks?
Mathematics
2 answers:
Sedbober [7]2 years ago
7 0
It’s 40t because it says d=40t
prohojiy [21]2 years ago
5 0

Answer:

$80

Step-by-step explanation:

We know that d = 40t and t = number of workbooks bought by the school

Plug in <em>t</em> with 2

d = 40(2)

d = 80

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2. Sam has two part-time jobs, delivering pizza and mowing lawns. He makes $9/hr delivering pizza and $7/hr mowing lawns. Last w
frutty [35]

Answer:

<h2>22 hours and 10 hours </h2>

Step-by-step explanation:

let the jobs be x and y, so that

x+y=32--------1

9x+7y=248----2

x=32-y

substitute x=32-y for x in equation 2 we have

9(32-y)+7y=248

open bracket we have

288-9y+7y=248

-2y=248-288

-2y=-40

2y=40

divide both sides by 2 we have

y=40/2

y= 10 hours

subtitute y=10 for y in equation 1 to find x

x+10=32--------1

x=32-10

x=22

x=22 hours

4 0
3 years ago
There are 3 3/4 cookies. if there is 1/4 of a cookie in each bag, how many bags are there?
Svetlanka [38]

Answer:

15 bags

Step-by-step explanation:

3 = 12/4

3 3/4 = 3+3/4 = 12/4 + 3/4 = (12+3)/4 = 15/4

(15/4) ÷ (1/4) = 15

5 0
2 years ago
Could someone please help me figure out how to set up the equation for this problem? Thanks!
faust18 [17]

Answer:

12

Step-by-step explanation:


The sum of the measures of the interior angles is given by:


(n-2)*180\\


n:sides of the polygon


And in a convex polygon the sum of the exterior angles sums 360°


Then


(n-2)*180=5*(360)


You just solve it and the answer is 12.



6 0
3 years ago
Colon and his dad bought a gallon of paint that cost $13 they also bought 2 brushes that cost what was the total cost not includ
sveta [45]
13 + the cost of 1 brush + the cost of 1 brush = total money spent

3 0
3 years ago
Find 12 ÷ 3/5. Show or explain your reasoning.
scZoUnD [109]
20 because when you divide 12 by 3/5 you get 20 use a calculator
3 0
3 years ago
Read 2 more answers
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