15n-22
(: hope it's correct!
The answer is A. he can make 1 in 2 hours
3r+1w=5
5r+1w=80
System of equations :)
The number you are looking for is 995
Answer:
11). x = 25.8°
12). x = 67.3°
Step-by-step explanation:
11). By using sine rule in the given triangle,
cos(x) = 
cos(x) = 
x = 
x = 25.84
x ≈ 25.8°
12). By applying tangent rule in the given triangle,
tan(x) = 
tan(x) = 
x = 
x = 67.29°
x ≈ 67.3°