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

Discuss the interrelationship of physical and environmental hazards, behaviors, and circumstances in regards to safety applied to early childhood education envi
Identify the word that has an error in capitalization. Ray hopes to earn a nursing scholarship to go to Alabama state University. A. Nursing B. State C. Univ
The ozone layer protects living things on Earth from
why did American rebel against the british
A typical multivitamin tablet can contain 1.00 mg of vitamin b2 (riboflavin), and the rda is 0.0030 g/day. how many such tablets should a person take each day t
Please help me with the first question
a comapny made magnesium by heating magnesium oxide with silicon: Si(s)+2MgO(s)+2Mg(s) . Calculate the mass of magnesium oxide needed to produce 4.8 tonnes pf m
What is the vegetation of the Amazon rainforest ????
When you see a sign warning you there is a t-intersection ahead you must:?
In the election of 1912 the candidate considered least pleasing to reformers was