He would use 3.2 gallons a day. All you need to do is use the calculator app and divide 16 and 5 to get 3.2. Hope this helps!!
Answer:
x<-8
Step-by-step explanation:
-5x-10>30
(add 10 to both sides)
-5x-10+10>30+10
-5x>40
<
(dividing through by -1 changes the sign of the inequality from "<" to ">")
5x<-40
(dividing through by 5)
<
x<-8
1. 8.96 x 105 I think
2. <span>4.25 x 10-4
</span>
30 x 30........................