Y=2x^2 Y=-3x-1 You have to solve this system of equations
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The amount that Tony and his friend's will spend at the dell can be found by
writing an expression for the total cost.
<h3 /><h3>Response;</h3>- The amount that they spent at the dell is <u>$16</u>
The number of Toby's friends = 3
Number of people that ate lunch, n = Toby + His friends = 1 + 3 = 4
The cost of the sandwiches and drinks
The expression that gives the amount Toby and his friends spend altogether is therefore;
Amount spent = n × (Cost of a sandwich + cost of a drink)
Which gives;
4 × (2.75 + 1.25) = 16
- The amount Tony and his friends spent is<u> $16</u>.
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