Question

the directions for mixing an insect spray say to use 2 7/8 ounces of chemical in each gallon of water. How many ounces of chemical should be mixed with 6 1/5 gallons of​ water?

Answer 1

Answer: 16 13/40 ounces

1. multiply 2 7/8 x 6 1/5

In order to do this you must convert both mixed numbers into an improper fraction

$\frac{31}{5} \times \frac{23}{8}$