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VikaD [51]
3 years ago
11

Help me please!! I don't know how to do this

Mathematics
1 answer:
Nesterboy [21]3 years ago
5 0

Answer:

probably the last answer

so D

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At a book sale,your sister uses an equal number of quarters and nickels to buy a $1.20 book. How many quarters and how many nick
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Answer:4 quarters and 4 nickels

Step-by-step explanation:

6 0
3 years ago
Eight people go to a movie. Adult tickets cost $15 and children's tickets cost $8
Reptile [31]

Answer: number of adults = 3, number of children = 5

Step-by-step explanation:

let the number of adults be x, and the number of children be y.

x + y = 8 , 15x + 8y = 85

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8x+8y-15x-8y = 64 - 85\\-7x = -21\\x=3

substitute x=3

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5 0
3 years ago
What are these negative fractions converted to positive ones (I suck at math so I need an explanation): -5/6, -7 3/8, -3/11
Paraphin [41]

Answer:

multiply each by -1

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-7 3/8 x -1 = 7 3/8

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Step-by-step explanation:

6 0
3 years ago
How do you solve this? Please help
Pie
Wbertkdiwrjrjjwjwj !!!
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3 years ago
Help with 9 and 10....
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