Answer:
• let's first get the percentage decrease:

• then multiply the percentage decrease with the mass given:

-(1/4 w + 8) + 8 = 3
-1/4 w - 8 = 3 - 8 = -5
1/4w = -8 + 5 = -3
w = 4 x -3 = -12
w = -12
Answer:
7.5 pencils broken in a week (5 days).
Step-by-step explanation:
1.5 pencils broken a day
Now we just multiple this by 5 for each of the school day's.
1.5 pencils * 5 days = 7.5 pencils broken in a week.
Have a nice day! :)
Please mark this answer as brainiest!
Answer:
5
Step-by-step explanation:
a minus times by another minus makes a positive, so it is basically 1 x 5