Answer:
30 blocks
Step-by-step explanation:
60 minutes = 1 hour
For one hour, she will walk 7.5 blocks.
The rate is 7.5blocks per hour.
Multiply this by 4 hours, and you will get 30 blocks.
(7.5)4 = 30
Answer: 3x plus 36
You multiply inside the brackets by 3 and you get 3x+36
it's part of the real number system
it's a rational number
it's an integer
I don't know I am very sorry