Question

To use unit analysis to convert 7 feet to yards you could use: (DO NOT CONVERT!)To use unit analysis to convert 7 feet to yards you could use: (DO NOT CONVERT!)

Group of answer choices

7ft1⋅3yd1ft

(7 ft/ 1 ) multiplied by (3 yd/ 1ft)


7ft1⋅12in1ft

(7 ft/1) multiplied by (12 inches/1 ft)


7yd1⋅3ft1yd

None of these

7ft1⋅1yd3ft

Answer 1

7ft/1yd ⋅1yd/3ft

Explanation:

To use unit analysis to convert 7 feet to yards

Using unit analysis

1 yard = 3 feet

Hence

3 feet = 1 yard

7 feet = x yard

Cross Multiply

3 feet × x yard = 7 feet × 1 yard

We can represent this as

7 feet/1 yard × 1 yard/3 feet

The correct Option is :

7ft/1yd ⋅1yd/3ft