boyerohana boyerohana

22-10-2014
Mathematics

contestada

1/3 as many dimes as nickels
3 more quarters than nickels
17 coins in all
Q=_ D=_ N=___

Respuesta :

Аноним Аноним

22-10-2014

Use the equations:
17 = D + N+ Q
D=N/3
Q=N+3
Then Substitute D and Q
17 = (N/3)+N+N+3
Solve for N; N=6; then substitute N for D=N/3 and Q=N+3
The answer is
Q=9
D=2
N=6

Answer Link

Otras preguntas

where are most of the rain-forests found

What is common to all light sources, including incandescent, fluorescent, neon, halogen, laser, and sodium-vapor devices?

Which of the following contains an atom that does not obey the octet rule? ICl ClF3 KBr CO2

A plant with round seeds is crossed with another plant with round seeds. Round are dominant over oval seeds. When two heterozygous round-seeded plants are cross

A coach offers rewards that are divided up relative to speeds. Jen got a sixth of the pot and Kat got a fifth of the pot. How big was the total reward sum if Ka

Point O is the center of the circle in the diagram. What is m∠BCA ? A80° B75° C70° D65°

Quinn reports he has no control over his life. He states he wants to go into the army, but he is stressed out over passing English. He knows that he needs a hig

A slide is 21 ft long. To get to the top of the slide,you use a vertical 9 foot high rung ladder. What is the distance, b, from the bottom of the slide to the

An online presented this question "Would the recent norovirus outbreak deter you from takind a cruise?". Among the 34,271 people who responded, 62% answered "Ye

Explain why energy must be added to a solid to cause it to melt.