Which of these is not a way to think about finding -16 -9 ?
a. -16 + -9

b. the negative distance between -16 and 9 on the number line

c. changing the sing and the operation: 16 + -9

d. the number 9 units to the left of -16 on the number line

Changing the signs and the operation: 16+−9

Step-by-step explanation:

Step-by-step explanation:

See the attached bar graph.

The bar graph shows the numbers of reserved campsites at a campground for one week.

So, on Friday and Saturday, the total number of reserved campsites will be (26 + 30) = 56.

Now, the total number of reserved campsites from Monday to Sunday is (5 + 3 + 4 + 7 + 26 + 30 + 9) = 84.

Therefore, the percent of the reservations on Friday and Saturday will be

. (Answer)