Answer:
3/14
Step-by-step explanation:
(−1/6)(−9/7)
= (−1)(−9)
(6)(7)
=9/42
1/4 of 80 is 20, so they have 60 left aftef yesterday. then sold 3/5 of 60 which is 36. so the book store has 24 left
Answer:

Step-by-step explanation:

Answer:
16
Step-by-step explanation:
If you replace the variables with what they equal and multiply then you should get 6+10 which equals 16.