Paula is 3 years older than Lindsey, who is 2 years
younger than Dave. If Paula is
17, how old is Dave?

16

Step-by-step explanation:

If Paula is 17, then Lindsey is 17-3 (14). Since Lindsey is 14,  Dave is 2+14 (16), so Dave is 16

16 years old

Step-by-step explanation:

Let Lindsey's age be x.

Paula's age be x+3

Dave age be x+2

If Paula is 17.

x+3=17

x=14

x+2

(14)+2=16

Dave is 12 years old.

20days louise can read300 pg

step-by-step explanation:

1 day 15 pg 300: 15= 20

x day 300 pg