Sara had a piece of ribbon. She used 2/5 of it for a parcel and 1/4 of the REMAINDER for a craft project. The leftover is 36 cm. Find the original length of the ribbon.
Show Worked Solution
Worked Solution
Step 1: After parcel, 1 − 2/5 = 3/5 of ribbon remains.
Step 2: 1/4 of remainder used for craft, so 3/4 of remainder is leftover.
Step 3: Leftover = 3/5 × 3/4 = 9/20 of original.
Step 4: 9/20 × original = 36 → original = 36 × 20/9 = 80 cm.
Answer: 80 cm
Correct answer: 80 cm
Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.
Start Free Trial — 7 Days Free