Read her steps carefully, and then answer the questions.
Step 1: (x + 5)1 = 4(x + 2)
Step 2: x + 5 = 4x + 8
Step 3: 5 = 3x + 8
Step 4:
3= 3x
Step 5: -1=1
Mill
Part A: In which step did Sam make her first mistake?
Part B: What is Sam's first mistake?
Select one answer for Part A, and select one answer for Part B.
Answer:
A. Step One
B. She multiplied straight across in the proportion instead of diagonally
Step-by-step explanation:
Answer:
A. Step One
B. She multiplied straight across in the proportion instead of diagonally
Answer: 120 pieces.
Step-by-step explanation:
We know that 1 yard = 36 inches
Given: The length of each piece of ribbon= 25 yards
If she needs to cut 22 inches long pieces, then the total number of pieces cut from 1 ribbon
Thus, the total number of pieces she cut from 3 ribbons
Hence, the greatest number of 22-inch pieces that she can cut from the three ribbons =120