Question

масса одного бельчонка и одного зайчонка вместе 6кг. масса четырёх таких же бельчат и трёх таких же зайчат равна 20кг. чему равна масса одного бельчонка и одного зайчонка

Answer 1

1б+1з=6кг

4б+3з=20 кг

умножим 1б+1з на 3  получим 3б+3з=18кг

4б+3з -(3б+3з)= 1б = 20-18=2кг вес бельчонка

6-2=4кг  вес зайчёнка

Answer 2

Calculating the Mass of One Squirrel and One Rabbit

To solve this problem, we can set up a system of equations based on the given information.

Let's denote: - the mass of one squirrel as x, - the mass of one rabbit as y.

We are given two pieces of information: 1. The combined mass of one squirrel and one rabbit is 6 kg. 2. The combined mass of four squirrels and three rabbits is 20 kg.

We can express these two pieces of information as equations and solve for the values of x and y.

Setting Up the Equations

1. The combined mass of one squirrel and one rabbit is 6 kg: - This can be expressed as the equation: x + y = 6.

2. The combined mass of four squirrels and three rabbits is 20 kg: - This can be expressed as the equation: 4x + 3y = 20.

Solving the Equations

We can solve these equations to find the values of x and y.

Let's solve the first equation for x: x = 6 - y.

Now, we can substitute this expression for x into the second equation: 4(6 - y) + 3y = 20.

Solving for y: 24 - 4y + 3y = 20, 24 - y = 20, -y = 20 - 24, -y = -4, y = 4.

Now that we have the value of y, we can find the value of x using the first equation: x + 4 = 6, x = 6 - 4, x = 2.

Answer

Therefore, the mass of one squirrel is 2 kg and the mass of one rabbit is 4 kg.