sydneymiller0131 sydneymiller0131
  • 26-03-2021
  • Mathematics
contestada

The total value of nickels and dimes in a coin bank is $5.15. There are 8 more dimes than nickels in the bank. How many dimes are in the bank?

Respuesta :

angstar4
angstar4 angstar4
  • 26-03-2021
0.05n + 0.1d = 5.15
n = d - 8

0.05(d - 8) + 0.1d = 5.15
0.05d - 0.4 + 0.1d = 5.15
0.15d = 5.55
d = 37

Check:
0.05(29)+ 0.1(37)= 5.15
1.45 + 3.70 = 5.15
5.15 = 5.15 :)
Answer Link

Otras preguntas

When a cell related to immunity activates only in reaction to a specific pathogen, it is called _____. (Points : 4) inducibility clonality lymphocytes T lymphoc
Guys <br /> I want the word resolute and naturalization in a sentence separate
What is the source Code of transcription
What hormones are related to sodium balance?
find three acids and three bases used in your home. 1) what are theses acids and bases used for? 2)look up the chemical name and chemical formula of each acid a
what number must you add to the polynomial below to complete the square? x^2-x A. 1/4 B. 1/2 C. 2 D. 1
what feature of a confederal system did the confederate states of america most want
to increase an amount by 85% what single multiplier would i need to use?
a dime is flipped and a six-sided die is rolled what is the probability of flipping heads and rolling an odd number
Can you pleas help me solve this assignment?