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

The selection structure is the completion of ____.

a dwarf sea horse swims at a rate of 54.68 feet per hour. convert this speed to inches per minute. the speed is ____ inches per minute.

An Iowa class warship holds the record for the fastest warship. If the ship accelerates uniformly from rest at 0.15 m/s² for 2 minutes, what is its final veloci

Three times a number plus 12 minus 5 times the same number is 22. What is the number

what is the equation for the problem In 2003, the price of a certain automobile was approximately $33,700 with a depreciation of $2,150 per year. After how many

What was the connection between mercantilism and the exploration of the Americas

What is Benjamin franklins middle name?

why shouldn't there be a holiday for Christopher Columbus

What was the advantages of living in a medieval city

during the early 1800s, the shipment of goods was transformed, and shipping costs were greatly reduced, due to the construction of?