Question

If one score mangoes cost Rs.110, how many apples can be bought for Rs.154 ? ​

Answer 1

Answer:

18 Apples and 45 Mangoes cost Rs. 981.

Now, let X be one apple's cost, and Y be one mango's cost. Form an equation with this.

18X + 45Y = 981

You can cancel out a factor of 9 on both sides

9 * ( 2X + 5Y ) = 9 * 109

2X + 5Y = 109

The above is the simplified equation.

Now, multiply 5 on both sides of the equation.

5 * ( 2X + 5Y ) = 5 * 109

10X + 25Y = 545

The above equation means : 10 Apples and 25 Mangoes cost Rs. 545.

That's the answer to your question ! Which is Rs 545

Answer 2

Answer:

The CO2 Lewis structure has two double bonds going from carbon to the oxygen atoms. According to the octet rule, each oxygen atom needs to bond twice and the carbon atom needs to bond four times.

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