Practice Test

Question 10 • Mathematics 8

Which situation could best be represented by this linear equation? 2 point 7 5 x plus 3 point 2 5 y is equal to 215

Answer

Pretzels cost 75 cents more than popcorn bags. The variable x represents the number of popcorn bags sold and y represents the number of pretzels sold. The sales total was 215 dollars .

Pretzels cost 50 cents less than popcorn bags. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was 215 dollars .

Popcorn is 50 cents less expensive than pretzels. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was 215 dollars .

There were 50 more popcorn bags sold than pretzels. The variable x represents the number of popcorn bags sold and y represents the number of pretzels sold. The sales total was 215 dollars .

Explanation

The coefficient of x, 2.75, is the price per pretzel, and the coefficient of y, 3.25, is the price per popcorn bag. Pretzels therefore cost 50 cents less than popcorn bags, and the equation says the total sales were $215. This matches choice B.

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