10P8 = 10!/(10 - 8)! = 10!/2! = 1,814,400
14:16 21:24 28:32 are three ratios that are equivalent
Answer:
What?
Step-by-step explanation:
Answer:
d = .4p
Step-by-step explanation:
Discount = original price * discount rate
We know the discount rate is 40%
original price is p
discount = d
d = p*40%
Changing this to decimal form
d = .4p