Answer:
9 hours
Step-by-step explanation:
12 times 3 is 40 so 3 times 3 is 9
Answer:
Derek; by 11600 m.
Step-by-step explanation:
Convert 1.5km into m.
1.5 is 1500m.
1500 * 12 = 18000 m
8 * 800 <= Lucy
6400 m <= Lucy's distance
18000-6400=11600m
Answer:


Step-by-step explanation:
Given


Required
Solve
Substitute
in 

Open bracket

Collect like terms


Divide both sides by 2

Substitute
in 



Answer:
x = 12W
Step-by-step explanation:
Let x = power consumption of the LED bulbs.
Writing the ratio as a fraction;
Cross multiplying, we have;
x = 12
Therefore, the power consumption of the LED bulbs is 12W.
R
x = 12W
Step-by-step explanation:
Let x = power consumption of the LED bulbs.
Writing the ratio as a fraction;
Cross multiplying, we have;
x = 12
Therefore, the power consumption of the LED bulbs is 12W.
Ratio;
Area is the right answer... I guess