Just divide
3/4 = 0.75
4 teachers, and only 3 gallons of paint
1 less gallon of paint, so each teacher should get less than a whole.
0.75 gallons of paint per teacher
The answer of the question is x.
Answer:
*
= 
Step-by-step explanation:
To get an equivalent fraction, we multiply by a fraction that is equal to one. The purpose is to alter the denominator of the fraction. To get from a denominator of 7 to 21 we multiply by 3. Therefore we will multiply 5/7 by 3/3 to get the new equivalent fraction with a denominator of 21.