Answer: 60 batches
Step-by-step explanation:
Let the number of batches be x
If 1 batch = 1/4 = 0.25tsp
x batches = 15tsp
0.25x = 15
x = 15/0.25=60
To multiply rational expressions you just multiply tops and multiply the bottoms so
5/2x+1 * 6/x = 30/2x^2+x
Louisiana purchase it completed it because it bought a bunch of land that spread from coast to coast