ahmadalaska907 ahmadalaska907

01-08-2020
Mathematics

contestada

winthrop has $4.40 worth of nickles and dimes. If winthrop has 3.5 times as many nickles as he has dimes, how many dimes does he have?

Respuesta :

MathPhys MathPhys

01-08-2020

Answer:

16

Step-by-step explanation:

If n is number of nickles and d is number of dimes:

5n + 10d = 440

n = 3.5d

Substitute:

5(3.5)d + 10d = 440

17.5d + 10d = 440

27.5d = 440

d = 16

Answer Link

Otras preguntas

what movement is evident in pompeii?

A farmer builds a fence to enclose a rectangular pasture.He uses 160 feet of fence. Find the total area if the pasture is 50 feet long

How do you say the number 4.293? Also, write two other forms of this number.

Round 315 to the nearest ten

How do you write a word form for 4.293

What is the value of the digits 4 in the number 84,230

negative acceleration & positive acceleration, what are they?

what 5000 is 1/10 of?

Declarative command interrogative or exclamatory?He has ten fingers and ten toes.

write the word form for 3,152,308,726