Pedro mixes 3/4 teespoon of plant food into each gallong of water. how much teaspoons of plant food should pedro mix into 5 gallons of water

Work:

1 gallon of water requires 3/4 teaspoon of plant food, so multiply 3/4 by 5

3/4  ×  5

Make 5 into a fraction

3/4  ×  5/1

Multiply the denominator by the denominator and the numerator by the numerator

 3   ×   5            15
       =  
 4   ×   1             4

15/4  is an improper fraction, so make it a mixed fraction

15/4  =  3 and 3/4

Pedro should mix 15/4  teaspoons or 3 and 3/4  teaspoons  of plant food into 5 gallons of water.

We need to do 3/4x5. 3/4 is the same as 0.75. 0.75x5= 3.75. If you put that back into a fraction it is 3 and 3/4. This means pearl needs to mix 3 and 3/4 teaspoons of plant food into the water.

The correct one is c.

The answer for this is 9/1253decimal form 0.007