Question

3. Ram has 3 times as many 2 coins as he has 5 coins. If he has in all a sum of 77, how many coins
of 2 does he have​

Answer 1

Answer:

Let us take number of 5 rupees coins as X and number of 2 rupees coins as Y

Amount of 5 rupees coin will make = 5X

Amount of 2 rupees coin will make = 3Y

Number of 2 rupees coin = 3 \times 5\ rupees.3×5 rupees.

Number of 2 rupees coins are equal to 3X and number of 5 rupees is X

Total amount = 2( 3X ) + 5X = 11X

Now we can equate the amount which 11X = 77

X = 7

Now as we know the number of 2 rupees coin is 3X and number of 5 rupees coin is X, that means

Number of 2 rupees coins = 21 and number of 5 rupees coins = 7

Answer 2

Answer:

number of 2 coins= 21

Step-by-step explanation:

all the coins add up to 77

number of 5 coins---> x

value of total coins--> 5x

number of 2 coins--> 3x

value of total coins --> (2×3)x = 6x

total value = 5x+ 6x = 77

11x= 77

x=7

number of 2 coins= 3x = (3×7) = 21