momilaortiz6497 momilaortiz6497
  • 19-04-2018
  • Mathematics
contestada

A man has 24 coins in his pockets all of which are dimes and quarters, if the total value is 420 cents how many dimes and how many quarters does he have?

Respuesta :

sleekyfoxboi sleekyfoxboi
  • 19-04-2018
LOL I dont know if this 420 is a joke but I will solve.
x= dimes y= quarters
x plus y= 24
10x plus 25y= 420
-10x plus -10y = -240

15y= 180
y= 12
x plus 12 =24
x=12
12 dimes and 12 quarters.
Answer Link

Otras preguntas

How were steam-powered ships different from sail boats?
An organization's critical application is required to be continuously available, with only a few minutes' per month of downtime allowed. what measure should the
What ratio is the same as 60%
Five hundred million years ago, basaltic lava flowed in an area now known as Monticello, the historic home of Thomas Jefferson. Some of this rock has since re-c
How many sphincters does the digestive system have?
Recall the "three ds" of psychological disorders mentioned in the textbook. which "d" is correctly matched with its definition
Faith is a new student on campus. everywhere she goes, she is asked for her 12-digit student number. to memorize her new student number, she thinks of it as thr
What digit does B represent? What digit does C represent?
The constitutional age requirement to be eligible to run for the house of representatives is ___ years of age, and for the senate it is ___ years of age.
a circular path is 3 feet wide and has an inner diameter of 125 feet. How much further is it around the outer edge of the path than the inner edge if you walk c