The total length of the ribbon used is expressed as r and is a product of the number of gifts (g) and the length of ribbon tied in each gift. This relationship may be expressed by the equation,
r = (25) x (g)
The values go up by 2. So your answer would be 20.
answer is either A or D
I hope this help. but I'm not really sure.
I am not sure but wouldn't it be y=3x-6 and y=4x-7