SOLUTION: 5 sandwiches and 3 cups of coffee cost £12.35 each , if the sandwiches are £1.75 each how much will each cup of coffee be

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Question 831467: 5 sandwiches and 3 cups of coffee cost £12.35 each , if the sandwiches are £1.75 each how much will each cup of coffee be

Answer by hovuquocan1997(83) About Me  (Show Source):
You can put this solution on YOUR website!
let the cost of one sandwiches be x and the cost of one cup of coffee be y
since you buy 5 sandwiches and 3 cups of coffee and the total cost is 12.35. the equation will be
5x + 3y = 12.35
But you already know the sandwiches are 1.75 each, so you plug it in the equation:
5(1.75) + 3y = 12.35
8.75 + 3y = 12.35
3y = 12.35 - 8.75
3y = 3.6
y = 1.2
TA-DAH
Your answer is 1.2 for each of the cup of coffee :D