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Sunny_sXe [5.5K]
2 years ago
14

Its an humble request to the moderators please see to the attachment

Mathematics
1 answer:
Tamiku [17]2 years ago
6 0

Answer:

Okay im will ask them Thank You For Ur Response

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A jar contains nickels and dimes. There are 20 coins in the jar, and the total value of
weeeeeb [17]

Answer:

Step-by-step explanation:

n and d are the number of nickels and dimes, respectively.

"there are 20 coins"

n+d = 20

d = 20-n

"total value is $1.40"

0.05n + 0.10d = 1.40

0.05n + 0.10(20-n) = 1.40

-0.05n + 2 = 1.40

0.05n = 0.6

n = 12

d = 20-m = 8

3 0
2 years ago
A bookstore makes a profit of $2.50 on each book they sell, and $0.75 on each magazine they sell. One week, the store sold x boo
marin [14]

Answer:

Total books sold=146 books

Total magazines sold=114 magazines

Step-by-step explanation:

Equation 1

Total weekly profit=(Profit for each magazine sold×Number of magazines sold)+(Profit for each book sold×Number of books sold)

where;

Total weekly profit=$450

Profit from each magazine sold=$0.75

Number of magazines sold=y

profit from each book sold=$2.50

Number of books sold=x

Replacing;

450=(0.75×y)+(2.5×x)

0.75y+2.5x=450.....  Equation 1

Equation 2

Total number of publications sold=Total number of books sold+Total number of magazines sold

where;

Total number of publications sold=260

Total number of books sold=x

Total number of magazines sold=y

x+y=260...   Equation 2

Combine equation 1 and 2 and solve;

1(2.5x+0.75y=450)>>>>>>>>2.5x+0.75y=450

2.5(x+y=260)        >>>>>>>>2.5x+2.5y=650

Subtract equation 1 from 2

(2.5x-2.5x)+(2.5y-0.75y)=(650-450)

1.75y=200

y=200/1.75

y=114

Replacing the value for y in equation 2

x+114=260

x=260-114=146

Total books sold=146 books

Total magazines sold=114 magazines

8 0
3 years ago
Brianna goes to the movies and must pay a 7% tax on the items she gets. She gets popcorn, soda, and twizzlers. These items come
alina1380 [7]

Find the amount of tax money she needed to pay

7% of 17.50

=7/100 * 17.50

=122.50/100

=1.22

Find the final sales price

17.50+1.22 = 18.72

5 0
3 years ago
Read 2 more answers
104 fluid ounces= cups
lakkis [162]
104 fluid ounces equals to 13 cups.
3 0
3 years ago
Solve the exponential equation. 2-x = 16 4 1/4 -4
Norma-Jean [14]

Answer:

2-x=406.25

Step-by-step explanation:

2-x=1641/4-4

divide the numbers 1641\div \:4=410.25

2-x=410.25-4

6 0
3 years ago
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