Emma buys and sells truck parts. she bought two tires for $35.00 each and later sold them for $65.00
each. she bought three rims for $75.00 each and later sold them for $136.00 each. she bought five
headlight covers for $4.00 each and later sold them for $15.00 each. what is emma's total profit?

2(65-35)+3(136-75)+5(15-4)=Total_Profit

$298

Step-by-step explanation:

Subtract 35 from 65 getting 30, then multiply by 2 getting 60. Subtract 75 from 136, getting 61, then multiply by 3 getting 183. Subtract 4 from 15 getting 11, then multiply by 5 getting 55. Then add 60+183+55=$298.

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form