3 years ago

children's $30 per day plus $5 for every sale that she makes at her job on Thursday she wants to earn at least $60

Mathematics

1 answer:

professor190 [17]3 years ago

3 0

Approximately 2 days to make at least 60 dollars.

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The difference between two numbers is 4. Three times the larger is 2 more than five times the smaller. Find the numbers.

Vitek1552 [10]

Let x represent the larger number.
Let y represent the smaller number.
x-y=4 Given
3x=5y-2 Given
Now we can just substitute; let x=4+y
Substitute 4+y for x in the second equation:
3(4+y)=5y-2
12+3y=5y-2
-2y=-14
y=7
Substitute back (into BOTH equations to double check work).
x, the larger number, is 11

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3 years ago

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Solve 4+2h < -3 please help me and please show work

anastassius [24]

4 + 2h < -3
2h < -7
h < -3.5

x ∈ (-∞, -3.5)

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A book seller gains 30% on the cost price by selling a book for $130.Calculate the cost price of the book.

zlopas [31]

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Let the cost price be x