Answer:
b = 252 in
Step-by-step explanation:
cos theta = adjacent side over hypotenuse
cos 38 = b/ 320
Multiply each side by 320
320 cos 38= b/320 * 320
320 cos 38 = b
252.1634412 =b
To the nearest whole number
252 =b
101.25+81.25=182.5 is the answer of how much the cost.
Answer: 4.3 years
Explanation: $1,800/2 = $900
$900/$210 = 4.28571429