I don't understand your question fully, try to list your full problem in the future and maybe people will be able to better help you.
Answer:
Step-by-step explanation:
the quotient is the result of division
let x represent the number
(x/2) + 3 = 7
Move the decimal 2 places to the right
8.4 becomes 840
Answer: 2 / 15
Step-by-step explanation:
3 red / 10 total
4 white / 9 total
3/10 * 4/9 = 12/90 = 2/15
Answer: i dont know
Step-by-step explanation: im not shur but what to help sorry