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
It has to be b because none of the others are correct.
The unkown side legnth is 9 centimeteres long all you had to do was subtract all the numbers from 44 and what your left with is the unknown side.
Answer: 100
Step-by-step explanation: 100 divided by 27= 0.27, 23.49x0.27= 6.34.
Answer
8 %( When we round off to the neaerest tenths we get 10%)
Step-by-step explanation
4/50*100
=4*2
=8%