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Minchanka [31]
4 years ago
9

Mary spent a total of $354.70 for a party. She spent $200.35 on food, plus an additional $30.87 for each hour of the party. How

long was the party?
Mathematics
1 answer:
Nina [5.8K]4 years ago
4 0

Answer: 5 hours

Step-by-step explanation: first subtract 354.7 - 200.35 = 154.35

then divide 154.35 by 30.87 which is equal to 5

hope this helps mark me brainliest if it helped

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Darrin is hanging 200 feet of Christmas garland on the fencing that encloses his rectangular front yard. The length is 5 feet le
frutty [35]

Answer:

Width = 17.5 feet,

Length = 82.5 feet.

Step-by-step explanation:

We have been given that Darrin is hanging 200 feet of Christmas garland on the fencing that encloses his rectangular front yard. This means that perimeter of rectangular front yard is 200 feet.

We know that perimeter of rectangle is two times the sum of length and width of rectangle. We can represent this information in an equation as:

2(l+w)=200...(1)

We are also told that the length is 5 feet less than 5 times the width. We can represent this information in an equation as:

l=5w-5...(2)

Upon substituting equation (2) in equation (1), we will get:

2(5w-5+w)=200

2(6w-5)=200

12w-10=200

12w-10+10=200+10

12w=210

\frac{12w}{12}=\frac{210}{12}

w=17.5

Therefore, the width of rectangular front is 17.5 feet.

Upon substituting w=17.5 in equation (2), we will get:

l=5(17.5)-5

l=87.5-5

l=82.5

Therefore, the length of rectangular front is 82.5 feet.

7 0
3 years ago
Read 2 more answers
Please help will give brainliest
vlada-n [284]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
A computer programmer charges $45 an hour for a coding projects plus a start-up fee of $150.
Alexus [3.1K]

Answer:

1.)(I cant draw a slope but here is the equation) 45x+150

2.) 25(45) + 150

1125+150

1275

the coding project will cost <u>$1275</u> if the programmer charges $45 and hour, and takes up 25 hours

8 0
3 years ago
Find the base and height of a rectangle with vertices (-4,7), (-2,7), (-2,1), and (-4,1).
Salsk061 [2.6K]

Answer:

The height is 6 unit

The base is 2 units.

Step-by-step explanation:The given rectangle has vertices (–4, 7), (–2, 7), (–2, 1), and (–4, 1).

3 0
3 years ago
The cost to a store for an MP3 player is $60. The selling price is $1.05. A classmate says that the markup is 175% because $105/
Lapatulllka [165]
<span>MP3 player is $60
</span><span>The selling price is $105

</span><span>A classmate says that the markup is 175% because $105/$60=1.75 . Is your classmate correct?

No. IT's not correct

Original price $60
Selling price $105

$105 - $60 = $45

So

45/60 x 100 = 75%

Price is markup 75% from $60 to $105</span>
7 0
4 years ago
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