The weight of a nickel is 80%of the weight of a quarter. If a nickel weighs 5 grams , how much does the quarter weigh? Thanks

2 Answers
Aug 2, 2018

A quarter weighs #6.25# grams.

Explanation:

Let the weight of quarter is #q# grams.

Weight of nickel , #n=5# grams ,which is #80%# of the

weight of a quarter #:. n= 80/100*q# or

#5= 80/100*q :. q=(100*5)/80=6.25 # grams.

The quarter weighs #6.25# grams [Ans]

Aug 6, 2018

Weight of a quarter #= 6.25# grams

Explanation:

Let the weight of nickel be n.

Weight of quarter = q = n / (80%)#

#q = (100 * n) / 80 = 1.25 n#

Given : #n = 5 # grams

#q = 1.25 * n = 1.25 * 5 = 6.25# grams.