What is 20% of $156,750
2 answers:
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The number of $5 notes is 10 and $50 notes is 6
Step-by-step explanation:
Let x be the number of $5 notes
and
y be the number of $50 notes
Then according to given statements
"The total number of notes used was 16."
x+y=16 Eqn 1
"A restaurant bill of $350 was paid using $5 notes and $50 notes."
5x+50y=350 Eqn 2
Putting x=10 in equation 1
So,
The number of $5 notes is 10 and $50 notes is 6
Keywords: Linear Equations, Variables
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