Question

a boy contain 1 coin and 2 coin whose total value is 70 if the number of onecoin is five time that upto. Find the number of coin of East type

Answer 1

Answer:

no of 1 coin=50 & no of 2 coin=10

Step-by-step explanation:

let no of 1 coin be x and no of 2 coin be y

so , according to the question x = 5y

and ,

x + 2y = 70

=> 5y + 2y = 70

=> 7y = 70

=> y = 10

as x = 5y

x = 50