Answer:

Unscented candles : unit rate = 3.538 inches / hour

Step-by-step explanation:

Scented candles :

Burns 310 inches on 15 hours

Unscented candles :

Burns 46, inches in 13 hours

The unit rate of unscented candles :

Total inches burnt / total number of hours

46 inches / 13 hours

= 3.538 inches per hour

For scented candles :

Total inches burnt / total number of hours

310 inches / 15 hours

= 3.538 inches per hour

= 20.667 inches / hour

31.7 -2.9 = 28.8

31.7 + 2.9 = 34.6

between 28.8 & 34.6 hours

D is the correct answer

**Answer:**

93,600 times

**Step-by-step explanation:**

I cant help you but I can give you the equation: 16 x 4 x weight per cookie = answer

**Step-by-step explanation:**

did you forget to write the whole question?