4 lol I am definitely positive I am right about that :}
I think its c. because m-7 is difference and + 15 is increasing
1/3 miles
You can get this by multiplying the two numbers together which will give you 10/30. That can then be simplified.
6*4. Because Luiz reads 6 times as more which means multiplication. Therefore Luiz reads 24 hours
4/5 is a fraction equivalent to 32/40. This is in simplest form.
Another fraction that is equivalent to 32/40 is 16/20.
