Textmedoni Textmedoni

12-01-2015
Mathematics

Answered

A collection of dimes and nickels is worth $6.60. There are 96 coins in all.

How many of each coin are there

dimes

nickels

Verified Answer :

konrad509 konrad509

12-01-2015

x - dimes
y - nickels

\(0.1x+0.05y=6.6\\ x+y=96\\\\ 0.1x+0.05y=6.6\\ x=96-y\\\\ 0.1(96-y)+0.05y=6.6\\ 9.6-0.1y+0.05y=6.6\\ -0.05y=-3\\ y=60\\\\ x=96-60\\ x=36\)

36 dimes and 60 nickels.

Answer Link

Related Questions

solve the formula for the indicated variable brwrfor w sollution w

Three straight lines have exactly two points of intersection complete the sentence below two of the lines must be

The repetition of consonant sounds at the beginning of words in a sentence is called

The worlds full of apathy but I dont care is what type of irony

i have to do this in order PEMDAS but i keep getting the answer wrong the answer is 53422452

what is defined as anything made up of atoms that has mass and takes up space

Is the number written in scientific notation If not explain a015ˣ10 b706ˣ10 c33ˣ100

What is the greatest common factor of 46a and 50a2

The hot soup in the blue pot is an old family recipe which is the adjective

An elderly gentleman whose wife is his legally authorized representative since his strokes several years ago was recently diagnosed with lung cancer he is eligi

Web Analytics