pinky2007 pinky2007

28-09-2014
Mathematics

Answered

A man has 43 coins, All nickels, dimes & quarters. He has one more than three times as many dimes as he does nickels and twice as many quarters as he does nickels.
How many of each coin does he have ?

Answer :

Phionex Phionex

28-09-2014

1 + 3d = n => (n-1) / 3 = d
2n = q
n + d + q = 43
substitute
n + (n-1) / 3 + 2n = 43
n = 13
q = 26
d = 4

Answer Link

Other Questions

How did Polynesian culture change after some Polynesians traveled to South America The custom of human sacrifice was introduced Restrictions based on kapu and t

Which statement is true of creole dialect Aits use is restricted to legal and official contexts Bit is spoken exclusively on a small remote island Cits vocabula

how many lines of symmetry does a 15gon have

the problem 2x9 equals the answer x45is that correct or incorrect

HELP PLEASE Give an example of two irrational numbers whose product is an irrational number AND Give an example of two irrational numbers whose product is a rat

what is 14715 as a mixed number

Y13x22x3 Please sketch graph of the equation or inequality and show work

Ho Chi Minh compared his military to what type of animal

What is divided 12 3 What is the answer to the blank

Solve this system by substitution Y8x23 Y5x14