Two quantities vary inversely. If the value of the first is 15 when the value of the second is 18, find the value of the
second quantity when the first is 10.
A)8 1/3
B)12
C)27

3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?