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djverab [1.8K]
3 years ago
12

The student council is planning an activi night to raise money.The student council will charge 5$ per student to attend activity

night. Part a write an expression that can be used to calculate the for number of students.Part b the cost to rent is $200 the council has a goal to raise $350 after paying rental. How many student will need to attend activity night for stundents council to pay rental and reach there goal
Mathematics
1 answer:
Luden [163]3 years ago
4 0

Answer:

110 students

Step-by-step explanation:

Let the total money raised = R ($)

Let the number of student = x

Proposed ticket cost to activity night = $5

(a) R = 5x

     x = R/5----------------------------------------------- (1)

(b)  Total money to be raised to pay for rent  of $200 and have a left over of  $ 350 is = $(200 + 350)

            R    = $ 550

Substituting the value of R in equation (1), the number of student (x) can be found:

x = R/5

  = 550/5

 = 110 students

The student council must sell 110 tickets to students in order to achieve their goal.

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A community is planning to build a rectangular garden. The width of the garden is 17 /4 feet (ft), and the perimeter of the gard
Lynna [10]

Answer:

34 square feet

Step-by-step explanation:

First, you need to find the other side of the garden in order to find the area a=l*w

The formula to find the length is, p-w*2=x x÷2=l

because, perimeter is l+l+w+w and area is just l*w

4.25*2=8.50

24.50-8.50=16

16÷2=8

l=8

So now we need to multiply the length and width to get the area.

8*4.25=34 sq. ft.

I hope that helps!

3 0
3 years ago
What is the equivalent decimal for -1.25
Tanzania [10]
I honestly do not know what to say here: it's already in decimal form. Please, if you made a mistake while typing in the problem, tell me.
4 0
3 years ago
Read 2 more answers
Andrea, Justin, and Virginia went to an office supply store. Andrea bought 6 pencils, 7 markers, and 8 erasers. Her total was $1
olga2289 [7]

Answer:

x=0.25\,,\,y=1.75\,,\,z=0.25

Step-by-step explanation:

Let x,y,z denotes number of pencils, markers, erasers respectively.

For Andrea:

6x+7y+8z=15.75\,\,\,(i)

For Justin:

6x+8y+5z=16.75\,\,\,(ii)

For Virginia:

5x+5y+7z=11.75\,\,\,(iii)

On subtracting equations (i) and (ii), we get

(6x+7y+8z)-(6x+8y+5z)=15.75-16.75\\-y+3z=-1\\y-3z=1\\y=1+3z

Put y=1+3z in equation (i)

6x+7(1+3z)+8z=15.75\\6x+29z=8.75\,\,\,(iv)

Put y=1+3z in equation (iii)

5x+5(1+3z)+7z=11.75\\5x+22z=6.75\,\,\,(v)

Multiply equation (iv) by 5 and equation (v) by 6 and then subtract both the equations.

5(6x+29z)-6(5x+22z)=5(8.75)-6(6.75)\\13z=3.25\\z=\frac{3.25}{13}=0.25

Put z=0.25 in equation y=1+3z

y=1+3(0.25)=1.75

Put y=1.75\,,\,z=0.25 in equation (i)

6x+7(1.75)+8(0.25)=15.75\\6x+12.25+2=15.75\\6x=1.5\\x=0.25

8 0
3 years ago
HELPPP I forgot to correct these so I have to correct them REALLY quickly
neonofarm [45]

Answer:

12.B

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4 0
3 years ago
Read 2 more answers
DETERMINE<br> THE<br> DIFFERENCE<br> BETWEEN-2/5 and -0.75
timama [110]

Answer:

0.3

Step-by-step explanation:

Convert -2/5 into a decimal.

-0.4.

Then subtract the two.

-0.4-(-0.75)

-0.4+(+0.75)

0.3

6 0
3 years ago
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