80% of 20 is 80/100 x 20 = 16
So, kelly has used 16 stamps, and has 4 left
Answer:
this is a no solution problem, nothing could sub for x and make this true
Answer:
Company G charges 5 more dollars per hour than Company H.
Total eggs=12
dozen eggs cost =1.35 dollars
one egg =12/1.35
=0.11 dollars
