help!
Which equation can be used to find the answer?

A garden with four sides has a perimeter of 45 ft. Three of the sides have lengths of 7 ft, 14 ft, and 13 ft. What is the length of the fourth side?

A.
s – 7 – 14 – 13 = 45
s = 79
79 ft

B.
s – 45 = 7 + 14 – 13
s = 53
53 ft

C.
s – 7 + 14 + 13 = 45
s = 25
25 ft

D.
s + 7 + 14 + 13 = 45
s = 11
11 ft

Question

help!
Which equation can be used to find the answer? 

A garden with four sides has a perimeter of 45 ft. Three of the sides have lengths of 7 ft, 14 ft, and 13 ft. What is the length of the fourth side?
 
 A.
s – 7 – 14 – 13 = 45 
s = 79
79 ft
 
 B.
s – 45 = 7 + 14 – 13 
s = 53 
53 ft
 
 C.
s – 7 + 14 + 13 = 45 
s = 25 
25 ft
 
 D.
s + 7 + 14 + 13 = 45 
s = 11 
11 ft

anonymous · Answer

help :{

anonymous · Answer

This is pretty easy. You would have to add up all the sides then subtract the sum from the total perimeter. 7+13+14=34.  45-34=11. It's D.

mirandaregina · Answer

The answer is D. because 7ft + 14ft + 13ft + 11ft =  45ft.

anonymous · Answer

Oh thanks im bad at 6th grade math :P