Question

in an envelope there are some 5 rupee notes and 10 rupee notes. Total amount of these notes together is 350 rupees . Number of 5 rupee notes iare less by 10 than twice
number of 10 rupee notes. Than find number of 5 rupee notes and 10 rupee notes
What equation will be formed​

Answer 1

Answer:

according to the given question

the equation will be formed as

x-10=2y

and also

5x+10=350

5(x+2y)=350

x+2y=70

x+x-10=70

2x=80

x=40

2y=x-10

2y=40-10

2y=30

y=15

5rupees notes are 40

ans 10rupees noted are 15