2 years ago

a stationer paid 18 for a set of pens what must be the selling price if he wants to make a profit of 15%

Mathematics

1 answer:

Nezavi [6.7K]2 years ago

6 0

Soooo i am happy FOR him

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Total cost for cookie and lemonade is 1.80. If lemonade costs 1.00 more than the cookie, how much was the lemonade?

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Answer:

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Step-by-step explanation:

This question is solved using a system of equations.

I am going to say that:

x is the cost of a cookie.

y is the cost of a lemonade.

Total cost for cookie and lemonade is 1.80.

This means that $x + y = 1.8$ .

As we want y, we have that $x = 1.8 - y$

Lemonade costs 1.00 more than the cookie?

This means that:

$y = x + 1$

$y = 1.8 - y + 1$

$2y = 2.8$

$y = \frac{2.8}{2}$

$y = 1.4$

The lemonade costs 1.4.

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a stationer paid 18 for a set of pens what must be the selling price if he wants to make a profit of 15%​

a stationer paid 18 for a set of pens what must be the selling price if he wants to make a profit of 15%