Is the point 5,2 a solution of the equation y=2x+15
2 answers:
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Each peach costs $0.56 and the equations used to solve that is where x is the cost of 1 peach.
Step-by-step explanation:
Step 1:
It is given that all the peaches weigh the same and that 4 peaches weigh 1 pound.
Assume that each peach costs x.
So the cost for 4 peaches is given by
Step 2:
The cost of 1 pound of peaches is given as $2.24.
1 pound of peaches
So
So each peach costs $0.56.
, and
. Subtracting this from the numerator gives a remainder of
, and
. Subtracting this from the previous remainder gives a new remainder of
is not a multiple of
, so we're done. Then