Question

За ручку и набор фломастеров заплатили 48 руб. Набор фломастеров в 5 раз дороже ручки .Сколько стоит ручка? сколько стоит набор фломастеров ? сколько нужно заплатить за 10 таких ручек? За 3 таких набора фломастеров? На какое требование задачи можно ответить с помощью следующего выражения 48:(5+1)*5=

Answer 1

Х - цена ручки
5х - цена фломастеров (в 5 раз дороже)

х+5х=48
6х=48
х=8 (цена ручки)
5*8=40 (цена набора фломастеров)

8*10=80 (цена 10-ти ручек)
40*3=120 (цена трёх наборов фломастеров)

Answer 2

Calculation of the Cost of a Pen and a Set of Markers

To find the cost of the pen and the set of markers, we can set up the following equation:

Let x be the cost of the pen. Since the set of markers is 5 times more expensive than the pen, the cost of the set of markers would be 5x.

According to the given information, the total cost of the pen and the set of markers is 48 rubles.

Therefore, we can write the equation as follows:

x + 5x = 48

Simplifying the equation:

6x = 48

Dividing both sides of the equation by 6:

x = 8

So, the cost of the pen is 8 rubles and the cost of the set of markers is 40 rubles.

Calculation of the Cost of 10 Pens and 3 Sets of Markers

To find the cost of 10 pens, we can multiply the cost of one pen by 10:

10 pens = 10 * 8 rubles = 80 rubles.

To find the cost of 3 sets of markers, we can multiply the cost of one set of markers by 3:

3 sets of markers = 3 * 40 rubles = 120 rubles.

Therefore, the cost of 10 pens would be 80 rubles, and the cost of 3 sets of markers would be 120 rubles.

Solving the Expression 48:(5+1)*5

The expression 48:(5+1)*5 can be solved using the order of operations (PEMDAS/BODMAS).

1. First, we perform the addition inside the parentheses: 5 + 1 = 6. 2. Then, we perform the division: 48 ÷ 6 = 8. 3. Finally, we perform the multiplication: 8 * 5 = 40.

Therefore, the value of the expression 48:(5+1)*5 is 40.

Conclusion

- The cost of the pen is 8 rubles, and the cost of the set of markers is 40 rubles. - The cost of 10 pens would be 80 rubles, and the cost of 3 sets of markers would be 120 rubles. - The value of the expression 48:(5+1)*5 is 40.