George jones bought 40 notebooks. if each notebook costs 3.49 and the sales tax is 5%, how much did he pay for the notebooks?

$146.58

Step-by-step explanation:

Price of 1 notebook: $3.49

Price of 40 notebooks: 40 * $3.49 = $139.60

Sales tax is 5% of $139.60: 5% * $139.60 = 0.05 * $139.60 = $6.98

Price of 40 notebooks plus sales tax: $139.60 + $6.98 = $146.58

$146.58

the answer will be b x² +x-1

step-by-step explanation: