glennhardenjr glennhardenjr
  • 03-08-2017
  • Mathematics
contestada

The equation y = 0.75x + 10 describes the cost, y, of placing an ad with x words in the classified section of a newspaper. How many words are in an ad that costs $25?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 03-08-2017

y = cost = $25

25 = 0.75 +10

 subtract 10 from each side

15=0.75x

x = 15/0.75 = 20

 there were 20 words in the ad

Answer Link

Otras preguntas

What is the difference between displacement and double displacement reactions?Write equations for these reactions?
what city is located 60 north 25 east
a person who studies word origins and meanings would most likely be a
Round 13 513 to the nearest thousand
factoring 12m^2n^2-8mn+1=
A construction contractor is purchasing granite tiles for a new kitchen floor. Each tile costs $5 and he wants to spend less than $1,500. The size of each tile
what city is located 60 north 25 east
Which statement is NOT true?A.  If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on
One-half of a number is -12. Find the solution ???
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies neither inequalities