Answer:
c
Step-by-step explanation:
unit rate is a rate with one in the denominator
The equation for this problem would be 56=2x+5x, which can be simplified to 56=7x, x being the number of cups of soda. To find x you must get it alon be dividing both sides by 7 (56/7=7x/7). Doing this gives you 8=x, or in other words 8 cups of soda.
Hope this helps!
Answer:

Step-by-step explanation:

Add 7x to both sides:

Subtract 7 from both sides:

Divide both sides by 8:

Your answer would be 24 zeros. The 24 above the 10 represents how many zeros will be in the standard notation form.