Answer:
x=12
Step-by-step explanation:
°
Students were asked to choose their favorite food and 4/8 of the students choose pizza and tacos . If 2/8 of the students chose
pizza , what faction chose tacos?
1 answer:
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Total number of $1 bills=7
Total number of $5 bills=8
Further explanation:
Given
Let x be the number of $1 bills
and
y be the number of $5 bills
Then according to the given statements
x+y=15
x+5y=47
From first equation:
Putting x=15-y in second equation
Putting y=8 in first equation
Hence,
Total number of $1 bills=7
Total number of $5 bills=8
Keywords: Linear equations, Substitution method
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