Three sides of a quadrilateral measure 11.4 millimeters, 7.5 millimeters, and 9 millimeters. If the perimeter of the quadrilateral is 38.6 millimeters, what is the length of the fourth side? 27.9 mm
11.3 mm
66.5 mm
10.7 mm

10.7mm that’s the awnser

Hi!
In one batch she uses 3/4 teaspoon of vanilla
therefore in 5 batch she uses 5*3/4=15/4 teaspoons of vanilla.
as it is given that 3 teaspoons=1 tablespoon
the amount of vanilla used for 5 batches =(15/4)/3=(15/4)*1/3=5/4==1.25 tablespoons.

All the best.