Determine the number of solutions for the linear system that models this problem:
Erica paid $3.75 for a bottle of water and 2 granola bars. Her friend paid $7.50 for 2 bottles of water and
4 granola bars. How much does a bottle of water cost?

Respuesta :

3.75 for one bottle of water because 3.75 times 2 is 7.50 answer is 3.75