Kevin and Conner are selling subs and sandwiches for a fundraiser. Kevin sold 25 subs and 18 sandwiches for a total of $209.50.

Question

3 years ago

15

COnner sold 15 subs and 20 sandwiches for a total of $162.50. Find the cost of a sub and the cost of a sandwich

2 answers:

AleksandrR [38] · Answer 1 · 2022-08-05T21:05:19+03:00

5 0

Answer:

1 sub = $5.50; 1 sandwich = $4.00

Step-by-step explanation:

You can solve this using a matrix and solving using reduced row-echelon form.

ELEN [110] · Answer 2 · 2022-08-05T22:15:38+03:00

ELEN [110]3 years ago

4 0

Answer:

25x + 18y= 209.50

15x+ 20y = 162.50

Step-by-step explanation: