Devi pays $10.60 for 4 cheeseburgers and 3 cups of drink. Amirah pays $3.10 for a cheeseburger and
1
cup of drink. Find the cost of each item.

help me on these please​

Cost of Drink is $1.8

Cost of Cheeseburger is $1.3

Explanation:

Let Cups of drink be x

Let Cheeseburgers be y

3x+4y= 10.6 > (i)

x+y=3.1 > (ii)

Now you can use either substitution method or elimination method. Up to you because the question hasn't specified. I am using substitution method.

(ii)> x=3.1-y Put in (i)

3(3.1-y)+4y=10.6

9.3-3y+4y=10.6

y=10.6-9.3

y=1.3 Put in (ii)

x=3.1-y

x=3.1-1.3

x=1.8

b

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