If p represents the number of people attending, then the charges will be
... 90 +34p
and Mark and Heather want that value to be less than or equal to 2000.
... 90 +34p ≤ 2000
... 34p ≤ 1910
... p ≤ 56.2
The greatest number of people attending can be 56.
_____
If Mark and Heather come without invitations, the greatest number they can invite is 54.
2.49 divied by 48 1/8
make 2.49 into an mixed number first
2 49/100.
make 2 49/100 into an improper fraction
Mutiply the whole number with the denominator
2*100= 200
Add 200 with the numerator. 200+49= 249
2 49/100= 249/100
48 1/8-make it into a improper fraction
48 1/8=385/8
249/100* 8/385
Answer: 0.05
It goes from (1,16) to (5,-8)
