52mph, depending what unit you need the answer in you may have to use conversions
Answer:
6
Step-by-step explanation:
Half of eight = four
3/4
Double three = six
Answer:

Step-by-step explanation:
We want to find

This can be rewritten as;


Recall that; 

We evaluate now to obtain;

3(-1) + 5y = 17
add 3 to both sides
5y=20
divide by 5
y=4