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sladkih [1.3K]
3 years ago
5

A toy company spends $20 for every doll it makes. Promotion of the dolls costs $400 and the company sells each doll for $30. How

many dolls must the company sell to make a profit?
What inequality represents this problem?
Mathematics
2 answers:
marissa [1.9K]3 years ago
6 0

Since the company spends 20$ on each doll and sells each for 30$ thats a 10$ profit.

If the company spends 400$ on promotion it would take 40 dolls since

400$ / 10$(amount of profit per doll) = 40

so to make the promotion back it would be 40 dolls but the question was to make PROFIT so it must be 41 dolls

PSYCHO15rus [73]3 years ago
3 0

Answer:

Inequality represents this problem is  20x+400 < 30x and the company must sell more than 40 dolls to make a profit.

Step-by-step explanation:

Cost of making 1 doll = $20

Let the no. of dolls be x

Cost of making x doll = $20x

Promotion of the dolls costs $400

So, Total cost price = 20x+400

The company sells each doll for $30

Selling price of x dolls = 30x

SP = 30x

CP =20x+400

For profit SP > CP

So, Equation : 20x+400 < 30x

400 < 10x

40 < x

So,  the company must sell more than 40 dolls to make a profit.

Hence inequality represents this problem is  20x+400 < 30x and the company must sell more than 40 dolls to make a profit.

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