Niko wants to buy a bicycle that costs $145. He has already saved $25. He says that he can determine the amount he still needs t
o save by using the equation b– 25 = 145. Determine the error in Niko’s thinking and write the correct equation that Niko can use to determine how much he still needs to save.
20 will remain constant, what matters is how many hours are being worked. If it's $20 perhourthen it's safe to assume 1 hour is 20 dollars worth of labor. Due to it being per hour you have to multiply the rate by however many hours worked to get your final cost.