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Olenka [21]
3 years ago
13

larina recieved a $50 gift card to an online store. she wants to purchase some bracelets that cost $8 each. there will be a $10

overnight delivery fee. solve 8n+10=50 to fine the number of bracelets she can purchase.
Mathematics
2 answers:
BartSMP [9]3 years ago
8 0
N equals 5
hope this helps
aliya0001 [1]3 years ago
7 0
The awnser is:
n=5
So larina can buy 5 bracelets
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Marianna [84]

Answer:

The answer to your question is car 1 = 30 gal and car 1 = 20 gal

Step-by-step explanation:

car 1 = a

car 2 = b

Efficiency of car 1 = 35 mi/gal

Efficiency for car 2 = 20 mi/gal

Total distance = 1450

Total gas consumption = 50 gal

Equations

                          35a + 20b = 1450            ------- (I)

                             a   +     b =  50               ------- (II)

Solve by elimination

Multiply equation II by -35

                          35a  + 20b  = 1450

                         -35a  - 35b   = -1750

Simplify

                            0    - 15b    =  -300

Solve for b

                                        b =  -300/-15

Result

                                        b = 20

Substitute b in equation II to find a

                               a +  20  = 50

Solve for a

                               a  = 50 -20

Result

                               a  = 30

4 0
3 years ago
If 5 over 6 gallon covers 1 over 4 of the house then how much paint is needed for the entire house
MissTica
If 5/6 gallons covers a quarter of the house, then you would need 4 times as much paint:
\frac{5}{6}  \times 4
Which is 20/6 gallons or 3 and 1/3 gallons
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Elan Coil [88]

Answer:

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Step-by-step explanation:

12 cheerleaders gives you 1 every 10 yards

hope i helped

8 0
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600 miles / 27 miles per gallon = 22.22 gallons

22.22 * 1.99 = $44.22 total cost

5 0
3 years ago
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Alik [6]

The answer is 20.1.

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