Answer:

Step-by-step explanation:
- Change the mixed number into an improper fraction: -1 × 3 = -3, -3 + 1 = -2. Put -2 over 3:
- Multiply -2/3 and -2/5:
×
=
Therefore, the answer is
.
9,18,27,36,45,54,63,72,81,90,99
8. 240/3 = 80 km per hour
80*4 = 320 km answer is A
9.
5.25 / 3 = 1.75 per kg answer is A.
Answer:
367.50
Step-by-step explanation:
300 + .30x (x = sales for week)
300 + (.30 * 225)
300 + 67.50
367.50
Let 1 angles be x, then its supplement is 180-x
x+x+12=180
2x=168
x=84
angles are 84 and 96