Answer:
5
Step-by-step explanation:
Answer: 6
3/1=3
2/4=0.5
3/0.5=6
x=3
3(2x+5)=4x+21
6x+15=4x+21
-4x -4x
2x+15= 21
-15 -15
2x=6
2 2
5,000,000 cm
1 km=100000cm
we just multiply 50km x 100000,which we get 5 million cm
a gazelle because I took the test