Question 301374
{{{10p+5c=3.70}}}multiply by a -2
{{{5p+10c=4.10}}}
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{{{-20p-10c=-7.40}}}
{{{5p+10c=4.10}}} add together
{{{-15p=-3.30}}} divide by -15
{{{p=.22}}}
{{{5p+10c=4.10}}}
{{{5(.22)+10c=4.10}}}
{{{1.10+10c=4.10}}}
{{{10c=3.00}}}
{{{c=.30}}}
plain are 22 cents
chocolate are 30 cents