1st page: it is the fourth answer, y is less than or equal to 12
2nd page: it is the second answer, m is less than or equal to 450
3rd page: it is the first answer, x > -3
4th page: it is the fourth answer, b is more than or equal to 500
Direct variation is y=kx and inverse variation is y=k/x, in this case:
y=-16/x
So this is an inverse variation with a constant of -16
Answer:
1577.8 US dollars are received for 1127 UK pounds.
5669.5 UK pounds are received for US$7937.3.
Step-by-step explanation:
The questions are solved by proportions, using a rule of three.
How many US dollars are received for 1127 UK pounds?
1 UK pound = 1.4 US dollars
1127 UK pounds - x US dollars
Applying cross multiplication:

1577.8 US dollars are received for 1127 UK pounds.
How many UK pounds are received for US$7937.3?
1 UK pound = 1.4 US dollars
x UK pounds - 7937.3 US dollars



5669.5 UK pounds are received for US$7937.3.
Answer:
y = -x - 1
Step-by-step explanation: