Answer:
X4,5,6,7,8,9..... Y3456789....
Answer:
60 1/2
Step-by-step explanation:
Answer:

Step-by-step explanation:
The answer would be
because
= 
52mph, depending what unit you need the answer in you may have to use conversions
Answer:
It becomes 30
Step-by-step explanation:
When you double a number, it’s increases to two of itself .
So double of 15 means 15 x 2
= 30