Answer: The answer would be 6.750
Step-by-step explanation:
Answer:
Coupon B
Step-by-step explanation:
Given



Required
Which coupon is better
From the question, we have:


Coupon B means that:



By comparison:
Coupon B gives him a better buy because: 
B and A is the correct answers
1:3:4
1x:3x:4x
1x + 3x + 4x = 8x
8x = 56
x = 7
1(7) = 7
3(7) = 21
4(7) = 28
Check: 7 + 21 + 28 = 56
So 56 can be divided in the ratio of 1:3:4, and it will be 7, 21, 28