Answer:
137 - 48 = 89, so she climbed 89
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Let be "x" the time in minutes a 150-pound person must walk at 4 mph to use at least 190 calories.
The amount of calories that a 150-pound person uses in 1 minute when walking at a speed of 4 mph is:

Therefore, knowing this, we can write the following proportion:

Finally, we must solve for "x" in order to find its value.
Multiplying both sides of the equation by 190, we get this result:

I believe the answer would be 400 you take 4/5 and multiply it by 500
Answer:
B
Step-by-step explanation:
The time was 9:15am or 9:15pm depending on 4:15am or 4:15pm