Question

3. Solve
8. Pooja has two times as many two-rupe
coins as she has 10 rupee coins. If the
total amount is 280, find how man
coins of each denomination she has?​

Answer 1

Answer:

60

Step-by-step explanation:

if she has at least 20 coins of 10 rupe and 20 coins of 2 rupe,than20×2=40×2=80+20×10

=280

Answer 2

Answer:

no. of coins of 10 rupees=20

no. of coins of 2 rupees= 40

Step-by-step explanation:

let the no. of 10 rupees coin be x then

the no. of 2 rupee coins will be 2x

value of 10 rupees coin=10*x

value of 2 rupees coin=2*2x

so,

10*x + 2*2x=280

10x+4x=280

14x=280

x=280/14

x=20

no. of 10 rupees coin=x=20

no.of 2 rupees coin=2x=2*20=40

hope it helps

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