a bicycle manufacturer is reducing the # of spokes on each bicycle wheel by 4. A wheel on one of the company's new cross-country bikes has 32 spokes. Which equation could be used to determine the # of spokes that a wheel on a cross-country bike used to have?

A) S+32=4
B) S+4=32
C) S-32=4
D) S-4=32

Question

a bicycle manufacturer is reducing the # of spokes on each bicycle wheel by 4. A wheel on one of the company's new cross-country bikes has 32 spokes. Which equation could be used to determine the # of spokes that a wheel on a cross-country bike used to have? 

A) S+32=4 
B) S+4=32 
C) S-32=4 
D) S-4=32

anonymous · Answer

B

anonymous · Answer

oh never mind

anonymous · Answer

the original minus the extra spokes would equal the new one

anonymous · Answer

so D

butterflydreamer · Answer

Let the original # of spokes = S
We know that the manufacturer wants to reduce S  by 4 so the NEW # of spokes = 32.
Therefore, S - 4 = 32

anonymous · Answer

yeah thanks I just joined and I messed on my first question *blushes in embarrassment*