what is the answer of this question
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aaty07:
pls its urgent pls pls pls pls pls pls
can you tell me the name of this maths book and your std
secondray maths 7th std
please so that i can help you
ok
which chapter number
tell fast
percentage
pls tell fast
i do not have time
Answers
Answered by
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Let ₹10 note be = x and ₹20 note be = y
So, x+y=50
Therefore, y = 50 - x
10x + 20y =800
10x+20(50-x) =800
10x+1000-20x=800
10x=1000-800
x=200/10
x=20
y=20-50
=30
Thus, there are 20 notes of ₹10 and 30 notes of ₹20.
So, x+y=50
Therefore, y = 50 - x
10x + 20y =800
10x+20(50-x) =800
10x+1000-20x=800
10x=1000-800
x=200/10
x=20
y=20-50
=30
Thus, there are 20 notes of ₹10 and 30 notes of ₹20.
and ya i am following you why u have any problem
no dude
thanks
hmm
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intro
my name is riya studying in class 10th i am from America but came to India for 1 year
which state
Punjab
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