78×.33=25.74 busses are new
25.74+15=40.74 new busses
78+15=93 total busses
40.74/78=0.5223076923= 52% will be new with the new 15 busses
There is .82% chance they will have the same bdays
the AnSwEr is
12 because 8x - 1=3x+4 the variable x represents the same value and x= 0
Answer:
X= -1 or X= -3 . Probably the first one
Step-by-step explanation:
Area of first rectangle= 5×2=10units
Area of second rectangle= 3×2= 6 units
Area of third rectangle = 5×2= 10 units
Now,
Total area of figure = 10+6+10= <u>26units✓</u>