Fred bought 4 liters of liquid laundry detergent 3,250 ml of fabric softener and 2.5 liters of bleach

I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
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 For this case, the first thing we will do is take into account the following conversion of units:
 1L = 1000mL
 Applying the conversion we have:
 liquid laundry detergent: 4L = 4000mL
 Fabric softener: 3.250L = 3250mL
 bleach: 2.5L = 2500mL
 We now verify the options:

 4a. Fred bought 75 milliliters more fabric softener than bleach. True or False
 3250-2500 = 750 mL
  False.

 4b. Fred brought 1.75 liters more laundry detergent than bleach. True or False
 4-2.5 = 1.5L
  False.

 4c. Fred brought 750 milliliters more fabric softener than bleach. True or False
 3250-2500 = 750 mL
  True.

 4d. Fred brought 150 milliliters more laundry detergent than bleach. True or False
 4000-2500 = 1500mL
  False.

 4e. Fred bought 0.75 liters more laundry detergent than fabric softener. True or False
 4-3.250 = 0.75L
  True.

Price=$6.9 per pound.
for 2.6 pounds=2.6*6.9=$17.94