Question 945408


i have an equal number of nickels {{{0.05x}}} and quarters {{{0.25x}}},

their total value is ${{{2.10}}}:

 {{{0.05x+0.25x=2.10}}} 

 {{{0.30x=2.10}}}

{{{30x=210}}}

{{{x=210/30}}}

{{{x=7}}}..number of nickels and same number of quarters

i have__{{{14}}}__ coins

check:

nickels {{{0.05x=0.05*7=0.35}}} and quarters {{{0.25x=0.25*7=1.75}}}

{{{0.35+1.75=2.10}}}