Answer:
- Brittany irons 1/36 of her shirt each minute.
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Given relationship:
- 1/8 of a shirt → 4 1/2 minutes
- x of a shirt → 1 minute
Solve for x by cross-multiplication:
- x × 4 1/2 = 1 /8 × 1
- x × 9/2 = 1/8
- x = 1/8 ÷ 9/2
- x = 1/8 × 2/9
- x = 1/36
