goof6990 goof6990
  • 17-07-2020
  • Mathematics
contestada

Ramani has 3 times as many two -rupee coins as she has five- rupee coins . If she has in all a sum of Rs.77 , then how many coins of each denomination does she have ?

Respuesta :

sharonkaran
sharonkaran sharonkaran
  • 17-07-2020

Answer:

21- two rupee coins

7- five rupee coins

Step-by-step explanation:

3x(2)=5x

6x=5x

6x+5x=77

11x=77

x= 7

thus 3x(2)means she has 21-2 rupee coins and 7-5rupee coins.

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