Your sister and you go to Milo’s Deli for lunch. A sandwich costs twice as much as a drink. You can buy 3 sandwiches and 2 drinks for $16. What is the cost of each?
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Answer:
Sandwich = $2.28 and drink = $1.14
Step-by-step explanation:
Let sandwich be s and drink be d then:
2s = d (given in question)
$16 = 3s + 2d
The above equation can be rewritten as:
$16 = 3s + 4s = 7s
From this equation, we get s = $2.28
Cost of 1 sandwich is twice of drink viz $2.28 and 1 drink is $2.28/2 = $1.14
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