Read the problem below and find the solution. Use a model or act the
problem out to help solve it.
Holly's Bike Shop sells bicycles and tricycles. Holly wants to know how many
bicycles she has in her store. She asks an employee to count for her. The
employee counts them and says, "There is a total of 15 bicycles and tricycles
in the store. The total number of wheels in the store is 36." How many
bicycles are in the store?

assuming you mean addition: addition and subtraction are reverse operations.

step-by-step explanation:

i can't read the graph

step-by-step explanation:

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.