Answer:
Step 2 has the error
1. The whole number (20) was left out
2. Adding different signs, we subtract and retain the sign from the larger number
Correction:
Step 2: 20 - 17x = 34x + 60
Step 3: -17x -34x = 60 - 20
Step 4: -51x = 40
Step 5: x = 40/-51
72 × 1.4666666666667 = 105.6 feet per second
Answer:
each bread roll weighs 3/20 pounds. (you can also write it as 0.15 pounds)
Step-by-step explanation:
40 cm = 400 mm, so 400 mm / 18 mm = 200:9, or 22.22:1.
