S and N are the variables
D) 12 and a quarter hours. Just add all the times together.
(3) is the base of the new equation
(x + 5) is the answer of the new equation
(2) is the exponent on base (3)
;The new equation after simplifying is...,
; 3^2 = x + 5
; 9 = x + 5
; x = 9 - 5
;Hence...x = 4
Answer:
2.1 miles an hour
Step-by-step explanation: 1 3/4 / 50 = 0.035
0.035 a minute
0.035*60=2.1
2.1 miles an hour