Question 550100
Let {{{n}}} = number of nickels
Let {{{d}}} = number of dimes
given:
(1) {{{ 5n + 10d = 360 }}} ( in cents )
(2) {{{ d = n + 1 }}}
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(2) {{{ n = d - 1 }}}
Substitute (2) into (1)
(1) {{{ 5*( d - 1 ) + 10d = 360 }}}
(1) {{{ 5d - 5 + 10d = 360 }}}
(1) {{{ 15d = 365 }}}
(1) {{{ d = 24.333 }}}
Something is wrong since {{{d}}} is not a whole number.
Did you copy it right. I don't see the mistake if
I made one.