Answer:

Step-by-step explanation:
Cost at the rate 6 for $15.24:
Cost of
bottles
Cost of
bottle
Cost of
bottles
Cost at the rate 4 for $11.16:
Cost of
bottles
Cost of
bottle
Cost of
bottles
Hence
is less expensive.
Total saving
Answer:
1
Step-by-step explanation:
If you convert it to a decimal both fractions equal to 1.5/1.5 which makes the answer 1