7 grade needs to read 94 more books in order to catch up with 6 grade.
30.5
10 to the 2nd power is 100
3050/100 = 30.5
Typically if it is a linear function then it doesn't matter. However if it is a quadratic, cubic, and so on and so forth....(

) you may want to used the distance formula if you are not given any other points (with the exception of the vertex, asymptote or roots... etc).
Answer:
Step-by-step explanation:
Just calculate 20% of 78.00 or 78.00x0.20=$15.6