When you divide fractions, you change each to its reciprocal, then you look multiply them. Using reciprocals helps you easily solve the problem.
Answer: 18
Step-by-step explanation:
The circumference formula is C= 2
r
r being the radius, so you can just plug in.
C= 2
(9) = 18
Answer:
580
Step-by-step explanation:
4*100=400
4*40=160
4*5=20
add them all up, you get 580
Answer:
Here I think you need to do $15-50%=7.5 and $10-50=5