Answer:
9
Step-by-step explanation:
Total initially in bookstore = 45
Sold 13copies, remaining copies = 45-13= 32
Sold 23 copies again, remaining copies = 32-23 = 9
Copies left = 9
X=-7 divide both side by 3. Any expression divided by itself equals 1. Dividing a positive and a negative equals a negative. Calculate the quotation. Then you get X=-7
Answer:
0.22 hour, or 13.33 minutes
Step-by-step explanation:
2/9 hour is roughly equivalent to 0.22 hour, or 13.33 minutes.