senathghosh9117 senathghosh9117
  • 24-10-2018
  • Mathematics
contestada

John has $6.10 in quarters and nickels in his pocket. If John has 34 coins in his pocket, how many of the coins are quarters?

Respuesta :

alefaires21
alefaires21 alefaires21
  • 24-10-2018
34 = q + n
6.1 = .25q + .05n

-1.7 = -.05q - .05n
6.1 = .25q + .05n

4.4 = .2q
q = 22

22 of the coins are quarters.
Answer Link

Otras preguntas

Vygotsky's theory of cognitive development best represents a stage theory of development. Please select the best answer from the choices provided True or False
Which list correctly shows the flow of energy in a food chain? A. decomposers Sun plants animals B. Sun plants animals decomposers C. animals Sun decomp
Who wrote the Declaration of Independence
A circle that divides the globe in half or marks its circumference is called a
Liam worked 5 hours 30minutes on Monday and 4 hours 45 minutes on Wednesday.How many total hours did Liam work on Monday and Wednesday?!?
Which of the following types of information is best suited for display on a double line graph? A) average wages paid to men and women over 5 years B) average he
When punishment is applied after every instance of an unwanted target behavior, it is generally more effective. Please select the best answer from the choices p
The long heavy tail of a spider monkey enables the monkey to easily vary its a. center of gravity. b. weight. c. momentum. d. inertia. E. none of the above
X= y+7, 3x+2y=96 what is the solution of this sytem?
what is the perimeter, in units, of rectangle ABCD