Question

Steven bought 2 soft drinks at a cost of s dollars each. Write an expression to

show how much change he got back from a $20 bill.

Answer 1

20 - 2s = c

Explanation:

Lets imagine c is the change he got back

He bought 2 soft drinks at a cost of s dollars each, so 2s

and he used a $20 bill

so $20 - 2s = change

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