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

It says in abc, What is m
"if the ph of a solution is _____ the solution is basic. a. 2b. 5c. 7d. 10"
The _______ and _________ of a piece of media play a large part in determining how and why certain techniques are used (e.g., images, layout, sound, etc.). purp
Lorenzo is a salesman whose base pay plus commissions amounted to $53,393 last year. If his base pay was $24,650 and he made $87,100 in sales last year, what wa
If triangle ABC is dilated by a scale factor of 2.5 with a center of dilation at vertex B, how does the area of A'B'C' compare with the area of ABC?
A boat initially traveling at 10. meters per second accelerates uniformly at the rate of 5.0 meters per second2 for 10. seconds. How far does the boat travel du
What mass, in grams, of chlorine gas (Cl2) is contained in a 12.5-liter tank at 27.0 degrees Celsius and 2.85 atmospheres? Show all of the work used to solve th
Por 8 días de trabajo, 12 obreros han cobrado $640 ¿Cuánto ganarán por 16 días, 15 obreros con los mismos jornales? (APLICAR REGLA DE TRES)
is thrush a onomatopoeia
Why did slaves learn to read if it was outlawed by slave codes