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

Describe the goals of the Bill and Melinda Gates Foundation. (Site 1)

prove that A + ĀB = A + B using 1) boolean basic laws and 2) truth table

b. What is Algorithm? b . What is Algorithm ?

The layer of the ISO/OSI responsible for source to destination delivery.Options:(a) transport(b) network(c) data-link(d) session

(study)He cannot come out to play.He _____.

100 POINTS+BRAINLIEST: Please rephrase this: "Not one Supreme Court Justice throughout the districts had been divided fairly by the Tennessee legislature." What

Interesting setting for superheroes .Why this setting is interesting?(A lot of different settings 5-20.)

Dry concrete can be made by mixing sand, gravel and cement in the ratio 1: 2: 3. If you want 1800 kg of dry concrete, how much of each will you need? Give your

Which set is a function? A. {(0,2),(2,0),(4,6),(6,4)} B.{(6,2),(2,0),(4,6),(6,4)} C. {(0,3),(3,0),(0,4),(4,0)} D. {(2,6),(3,6),(4,6),(2,0)}

How many kilometers are in 462 meters? How many kilometers are in 462 meters ?