1 carton : 8 boxes for 2.80 = 2.80/8 = 0.35 per box (All natural juice)
1 carton : 6 boxes for 1.98 = 1.98/6 = 0.33 per box (Just juice)
difference between the 2 is 0.02 (2 cents)
if she paid 7.92 for x cartons of Just Juice, 7.92 / 0.33 = 24 boxes...and there are 6 boxes per carton.....24/6 = 4 cartons were bought for $ 7.92
price for same number of juice boxes of All Natural juice is :
24 * 0.35 = $ 8.40
Answer:
Step-by-step explanation:
As we Know that formula for arithmetic sequence is

and for geometric sequence is

So,
According to given conditions

By dividing equation (i) and (ii)
Hence proved that

730.921 is equal to 730,921
......hope it helps......