amrobinson6678 amrobinson6678
  • 03-04-2018
  • Mathematics
contestada

Ron has 25 coins with a total value of $ 4.30 . the coins are dimes and quarters. how many of each coin does he have?

Respuesta :

courtney15061p6qwfn courtney15061p6qwfn
  • 06-04-2018
25=d+q
4.30= .1d + .25q

25=d+q
-17.20=-.4d+-q

7.80= .6d
d=13...... 13 DIMES

25= 13+q
12=q....... 12 QUARTERS
Answer Link

Otras preguntas

Why is the story of the triangle fire still being told?
(15 points)Why would a one year term for governor be ineffective?
Is △ABC congruent to △MNP? (scale unit = 2)
HelpPlease I don’t understand
can someone help me with this math problem??? Which of the following is equal to 4 and 1 over
true or false nobody cared whether Congress would be able to compromise
The major cultural division in Libya and the Maghreb is between _____.
Which of the following would double the amount of current flowing through a piece of metal wire?
An inscribed angle has a measure of 48°. Determine the measure of the intercepted arc. 24° 48° 72° 96°
Factor the trinomial x^2 - 8x + 16