Answer:
r
Step-by-step explanation:
x=9/4
we have:
(4x + 15) = 24
4x=24-15
4x=9
finally: x=9/4
its below
5/(6*7)=5/(6*7*6*5*4*3*2*1)=1/(6*7*6*4*3*2*1)=1/6048=0.0001653439
D
37.5%
72-45=27
27/72=x/100
2700/72=x
x=37.5
