Answer: 252 in
Step-by-step explanation:
Answer:
$6.75
Step-by-step explanation:
15% of 45 = $6.75
So now its

but you want it in y=mx+b so
add x to both sides so that you have y on its own
so now it's
Rafael walks 22.5 km in 9 days.
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