We draw 10 white tiles.
Then we shade in 9 of them.
We count the remaining tiles to get the answer, which is 1.
2850*24/(4*24+18)
The light bulb consumes 600 watt-hours per day.
Divide 20 by 10 you get 2 wholes with no remainder so your answer is 2
X= tennis balls Noah has
x<8
#4 is B, #5 is A, and #6 is C