Answer:
189
Step-by-step explanation:
ratio is 8:9
multiply ratio by 21 to get 168:189
What do you mean doubling? You can add 7+7+7 which equals 21.
All numbers that are 0._ are _/10 therefore that would be 9/10 because this ratio cannot be simplified further.
Answer: its confusing the way it is written the quotient is dividing not multiplying you could write 6/1+5y
Step-by-step explanation: