Question

An electronics store had a special sale on two different models of calculators. The more high-tech model sold for $31.93 and the older model sold for $18.19. All together, 29 calculators were sold. Total sales came out to $733.61. Which system of equations can be used to determine how many high-tech models were sold, x, and how many older models were sold, y?

A. 31.93x + 18.19y = 29
x + y = 733.61
B. 31.93x + 18.19y = 733.61
x - y = 29
C. 31.93x + 18.19y = 733.61
x + y = 29
D. 18.19y = 31.93x + 29
x + y = 733.61

Answer 1

The system of equations that can be used to determine the number of high-tech models sold, x, and the number of older models sold, y is: A. 31.93x + 18.19y = 29 and x + y = 733.61. You can solve this system of equations using substitution or elimination to find the values of x and y.

Step-by-step explanation:

The system of equations that can be used to determine the number of high-tech models sold, x, and the number of older models sold, y is:

A. 31.93x + 18.19y = 29
x + y = 733.61

To solve this system of equations, you can use the method of substitution or elimination. After solving, you will get the values of x and y, which represent the number of high-tech models and older models sold respectively.