Question

Solve the following.

1) Manjit is now 12 years old and mala is two years old. In how many years will Manjit be three times old as Mala?

The answer is = 3 years.

2) Jagdish has three more RS 5 coins than RS 10 coins.If he has RS 195 worth of money in total, how many of each kind of coins does he have?

The answer is = 12 RS 10 coins and 15 RS 5 coins.

PLEASE DO FULL METHOD DON'T WRITE DIRECT ANSWER BECAUSE I HAVE THE DIRECT ANSWER.​

Answer 1

Step-by-step explanation:

1)Consider the year as x year.

1st equation is:

12+x=3(2+x)

or, 12+x=6+3x

or, x-3x=6-12

or, -2x=-6

or, x=-6/-2

So, your answer is 3 years

2)195=(x*10)+(y*5)

or, 195=(12×10)+(15×5)

or, 195=120+75

So, 195=195

So,there are 12 10 RS rupees

15 5 RS rupees

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