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

What would happen to the other organisms if all the crows in this ecosystem were to die due to an illness?

A bookshelf has space for exactly 14 books. in how many ways can the books be arranged on the bookshelf?

five years ago a man was seven times as old as his son. five years hence the gather would be three times as old as his son. find their present ages

What is one advantage of watching or listening to a play as opposed to reading it?

charlotte has given ron a big bar of chocolate for valentines day! He decides to break the bar into its individual squares to share with their family. The bar

Blake just learned that she is 6 weeks pregnant. her developing baby is in the _____ period of prenatal development.

I=PRT; I=4140, P=23,000, R=0.06 SOLVE FOR T

after losing 25 pounds an individual weighs 105 pounds more than one third of his previous weight. what is the previous weight ?

According to Locke, what have “all peaceful beginnings of government” had in common? Why do you think that might lead to a more peaceful government?

A doctor orders a dosage of 5 ml of medicine every 4 hours for 8 days. How many fluid ounces of medicine should be purchased?