The total cost spent by the soccer team is given by 5x + 7y + 4z
An equation shows the relationship between numbers and variables.
Let x represent the cost of small yogurts, y represent the cost of medium yogurt and z represent the cost of large yogurts.
Since the team ordered 5 small, 7 medium, and 4 large frozen yogurts. Hence:
Total cost = 5x + 7y + 4z
Let us assume that small yogurt cost $1, medium cost $1.5 and large cost $2. Hence:
Total cost = 5(1) + 7(1.5) + 4(2) = $23.5
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