The following problem can be modeled with a linear equation. analyze the problem and identify what quantities the variables x and y represent. the information provided in the problem is adequate to determine a point and a slope or two points on the line.
robinson wholesale company paid $1370 for 500 items. later they bought 800 items for $1730. assume that the cost is a linear function of the number of items. write the equation. (let y represent the amount paid and x represent the number of items purchased.)

6x-5y+3850=0

Step-by-step explanation:

If y represents the amount paid and x represents the number of items purchased, then the information provided is two points on the line:

We can find the equation with the next formulas:

having a point and a slope m:

having two points:

Substitution:

clearing y:

Where the slope m=6/5 and the intersection with y-axis is 770.

answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42

total amount to be paid = $19.5

step-by-step explanation:

given ,

original price = $25.99

discount = 25%

discount amount = 25% of original price

discount amount = 25/100   * 25.99

discount amount = $6.49

hence , the total amount to be paid = original price - discount amount

                                                            = $25.99 - $6.49

                                                            =$19.5

total amount to be paid = $19.5