Time used for the call to Zurich: ($5-$1.25)/$0.25=15 minutes
15minutes+3minutes=18minutes
Time used for the call to London: ($7.25-$1.25)/$0.25=24 minutes
24minutes+3minutes=27minutes
Difference between the two calls:27-18=9minutes
Answer:
The diner served 45 regular sodas
Step-by-step explanation:
90% of 50 is 45 so the answer is 45
Do you have an example of what the "Constant of proportionality" would be for a different question?
The first should be 80 the second part of it should be 210 idk if thats completely right sorry if I'm wrong i hope i helped a little