Answer:
y=-1/3 x +2/3
Step-by-step explanation:
all steps are in picture
defective : working = 1/15 ( x20 ) 20/300
so the answer is 20 light bulbs
Y/3=12 should be y=63 because 63/3=12
Step-by-step explanation:
10% more = 110% of the number.
110% of the number = 132
100% of the number = 132 * (10/11) = 120.
The number is 120.