When three-digit telephone area codes were first put in place in the united states and canada, the first number could be any digit from 2 through 9, the second number could only be 0 to 1 and the third number could be any digit from 0 through 9. how many possible area codes can be created with this format?

919

Step-by-step explanation:

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answer is:

1.75 pounds

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)