Yes they are equivalent because their ratio is 9
81/9= 9
63/7=9
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)
87,240. I added them both together.
Sum= addition
Answer:
b
Step-by-step explanation:
A real world expression would be Toby had makes 3 dollars per hour he wants to buy a ps4 for 40 dollars. he already has 10 dollars. how many hours does he have to work to afford his ps4. 3x+10=40