2 answers:
Answer:
y=3*x
Step-by-step explanation:
john bought 3 notebooks for 9 dollars
so 9/3=3
notebooks costed 3 dollars each
x-number of notebooks
y-cost of notebooks
so
y=3*x
because 3 dollar cost every notebook you could buy.
if i buy 2 notebooks
so x=2
y=3*2=6 dollars
if I buy 3 notebooks
then y=3*3=9 dollars
end this way continues
The equation is y=3x because you have to divide 9 by 3 (since they bought 3 notebooks for $9 & you’re trying to find how much for 1 notebook)
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Answer:
Step-by-step explanation:
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