atony1235
atony1235
17-03-2017
Mathematics
contestada
i need help with problem
Respuesta :
rarrininger
rarrininger
17-03-2017
d + q = 40
.10d +.25q= $7.75
d +q = 40
d =40-q
.10(40-q) +.25q= $7.75
4 - .10q + .25q =7.75
4 +.15q =7.75
4-4 +.15q =7.75-4
.15q= 3.75
.15q/.15 = 3.75/.15
q = 25
d =40-25
d = 15
Check
.10(15) +.25(25)= $7.75
1.5+6.25=7.75
7.75=7.75
Answer Link
VER TODAS LAS RESPUESTAS ( 96+ )
Otras preguntas
20 POINTS Cathy read about whales and learned that the average length of a blue whale is 80 feet. She also read that they can grow to be 94 feet long. Cathy won
A patient who was involved in an altercation has been struck on the side of the head with a baseball bat in addition to suffering several blows to the arms and
What lasting consequences arose from the struggles over reconstruction?
How many significant digits are in 6.3590 x 107 mm? 4 5 6
Matt expects to get his first paycheck today. What deductions may be listed on his paycheck stub?
Write "x is less than or equal to zero" three different ways.
if The number 0.1111... repeats forever; therefore, irrational number true or false?
Tim, Paco, Maria, and Jenny are standing in line for lunch. Jenny is standing between Paco and Maria, and Paco?s position in line is an odd number. Tim is not s
Milla and Luka are 3 kilometers apart and walking toward each other. Milla's average speed is 5 kilometers per hour and Luka's is 4 kilometers per hour. Which
A circle is drawn. The center of the circle is labeled O. Points A and B are on the circumference of the circle. A straight lin Amy walks from point O to point
