39.
9.2 x 10^3, 10,000, 1.8 x 10^4
40.
0.005, 5.25 x10^-3, 5.0 x 10^-2
Answer:-2
Step-by-step explanation:
(n + 3) 5 = 3 x 1 - n
distribute so 5n + 15= 3 - n
subtract three from both sides
5n - 12 = -n
subtract 5n from both sides
12 = −6n
Divide both sides by -6
n=-2
John blinks every 6 seconds, Jeremy every 4 seconds, so they both will blink next on a common factor of 6 and 4, or an LCD, that'd be 12 seconds later, so at 00:00:12.
I believe you have to do a cross product formula.
2174/x = 28.19/100