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

Prove that n is odd if and only if 3n + 6 is odd by contradiction.

Which is the process of maintaining a steady state inside the body? scurvy anemia dehydration homeostasis

TRUE OR FALSE: Exercise training program is essential because it serves as a guide to a balanced, safe and efficient workout

what expression is equivalent to (3x^2+4x-7)(x-3)

Which graph shows y=3⌈x⌉+1 ?

An object at the surface of Earth (at a distance R from the center of Earth) weighs 166 N. What is its weight (in N) at a distance 4R from the center of Earth?

How does the reaction, A + BC ⇌ AB + C, differ from the reaction, N2 + 3H2 ⇌ 2NH3 + energy, by which ammonia is synthesized?

What was wrong with the articles of confederation

What is the radius of the following circle?

Gothic Cathedrals were distinguished by all the following except: A.) Fantastic Sculptures B.)Large Stained Glass Windows