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

How do I solve c/4d divided by 3/8d
The force between a pair of 0.001 C charges is 200 N. What is the distance between them?
how many kilograms is in 12,321grams
16x^2-24x+7=0 equation and/or inequalities
What is the coefficient of x in the expression x-2? Explain your reasoning.
how many kilograms is in 12,321grams
Why did female factory workers like Charlotte Woodward support the women’s rights movement?
What is two thirds of 120?
Write equation in function form y-3x-11=0
Explain why a mixed number is not in the set of intergers or whole numbers