i need to see if im correct?

Question

Dana Practiced doing math problems every night for 6 straight nights. She spent 1/2 hour to 1 hour every noght. What is a reasonable total of the time she spent altogether?

my answers are:
a:2 hrs
b:3hrs
c:5hrs
d:7hrs
i picked 7 is that correct ?

Answer 1

We can look at this in a few ways. Lets think of it as Dana doing 1/2 an hour every night for 6 nights. This would be 1/2 and hour times 6 nights. If two 1/2 hours make up one hour, then Dana would have spent 3 hours a night. (30 mins x 6) (remembering that 30 mins x 2 = 1 hour)

If Dana did 1 hour a night then she would have done 6 hours total. (1x6)

So if Dana did half hours each night she would total 3 hours, and 1 hour would total 6. The number closest inbetween these numbers is 5 hours.

The answer is 5 hours.

But i'm glad you tried it first to see i f you could get it yourself.

Answer 2

No 7 is not right. Even if she spent the max allotted time, 1 hour, every night for those six nights she only spent 6 hours total. Now take the min allotted time, 30 min, and times by 6 nights, which gives you 3 hours. B and C are both correct but I would pick C because the question implies that some nights she spent over 30 minutes studying and 5 hours is reasonable and within range.

Answer 3

Albeit correct or not, here is how I would approach it.

Seeing as she spent 0.5 to 1 hour per night I would have to estimate an average of 0.75 of an hour of study time per night. Given that 0.75 x 6 = 4.5 I would have to round to the closest figure (up or down) since it's just asking for a reasonable estimate and choose C, 5hrs.

By the way "texas boy" that answer was completely uncalled for.

Regards.

Answer 4

no- you can't get more than 6 hours per night because there are 6 nights, and (at max) 1 hour/night. 1/2 hour each night would give you 3, but she probably spent more than 1/2 hour at least one night, so it's probably 5

Answer 5

.5 + 1 = 1. 5 / 2 hours (average)

.75 * 6 = 4.5

Round that up to 5

Answer 6

c: 5 hours

Minimum is 3 hours, max is 6 hours. There's no way she could have done 7 hours.

Answer 7

no it has to be between 3 and 6 hrs. Looking at the choices b) or c)

Answer 8

5 hours
de de de

Answer 9

i'd say 5 hours but i really just wanted to tell texas boy that someone asking for help is not stupid is your life so bad that you have to try to make someone else feel bad?

Answer 10

id say 3 hrs