You need more information. How much is each sandwich? You could give that value a variable too. In that case p=price of sandwich so earnings=px
90 minutes or 1 hour and 30 minutes.
Hope this helps,
kwrob
Opposite sides are congruent in a parallelogram.
so,
JK will be congruent with ML
and
JM will be congruent with KL
hope this helps
8 x 18 = 144
Your answer is 144
