Question

A number is 9 less than negative 10 what is the number

A number is 7 more than negative 16 what is the number

5 teams will play in a tournament. Each team will play every other team once. How many games will be played

Answer 1

1.-19

2.-9

3. 15

Explanation:

-10-9=-19

7-16=-9

5+4+3+2+1=15