Question

На покупку 6 значков у кати не хватает 15 рублей .если она купит 4значка то у неё останется 5 рублей сколько денег у кати?

Answer 1

1)15+5=20 -цена 2значков
2)20:10=2 - цена 1 значка
3)10*6=60 - цена 6 значков
4)60-15=45 рублей у Кати

Answer 2

Calculation of Katya's Money

To calculate how much money Katya has, we can use the information provided.

According to the question, Katya is short of 15 rubles to buy 6 badges. However, if she buys 4 badges, she will have 5 rubles left.

Let's break down the information step by step:

1. Katya is short of 15 rubles to buy 6 badges. 2. If she buys 4 badges, she will have 5 rubles left.

To find out how much money Katya has, we can set up an equation:

Let x be the amount of money Katya has.

According to the first statement, if she buys 6 badges, she will be short of 15 rubles. This can be expressed as:

6 * (cost of 1 badge) = x - 15

According to the second statement, if she buys 4 badges, she will have 5 rubles left. This can be expressed as:

4 * (cost of 1 badge) = x - 5

We can solve this system of equations to find the value of x, which represents the amount of money Katya has.

Let's solve the equations:

6 * (cost of 1 badge) = x - 15 4 * (cost of 1 badge) = x - 5

Simplifying the equations:

6 * (cost of 1 badge) = x - 15 4 * (cost of 1 badge) = x - 5

We can see that the cost of 1 badge cancels out, so we are left with:

6 = x - 15 4 = x - 5

Solving the equations:

x - 15 = 6 x - 5 = 4

Adding 15 to both sides of the first equation:

x = 6 + 15 x = 21

Adding 5 to both sides of the second equation:

x = 4 + 5 x = 9

Therefore, Katya has 9 rubles.

Please note that the cost of 1 badge was not provided in the question, so we cannot determine the exact cost of each badge. However, we have successfully calculated the amount of money Katya has based on the given information.