Need a better picture if u post it again soon I’ll see it and I’ll tell u
Answer:
69
Step-by-step explanation:
His speed was 1.5 mph
Explanation: It took him 20 minutes (1/3 of an hour) to hike 1/2 mile. 20 times 3 is 1 hour so 1/2 mile times 3 is 1.5 miles in one hour.
Answer:
Infinitely many solutions
Step-by-step explanation:
First,
Then
The equation becomes
This equation is always true equality (because left and right parts are the same for all possible values of x). This means that equation has infinitely many solutions.