2)A chef made 30 donuts in 60 minutes. How long would it take him to make 90 donuts? 3) Four big water bottles can hold 8 gallons of water. How much water can ten big water bottles hold?

4) It took Nora 10 hours to walk a 30-mile trail. How long did it take her to walk 9 miles at the same speed?

5) The total weight of 15 boxes is 45 pounds. How much would 40 boxes weigh?

6) A pack of six cans of coffee cost $12. How much would 15 cans of coffee cost?

Answer for #2 : 3 hours
explanation: 30 donuts = 1 hr
90 donuts = 3 hrs

Answer for #3 : 20 gallons
Explanation: 4 bottles = 8 gallons
Ten bottles = 20 gallons

Answer for #4 : 3 hrs
Explanation: 10 hrs = 30 miles
30 divided by 10 = 3.
3 times 3 is 9.

Answer for #5 : 120 pounds
Explanation: 45 divided by 15 = 3
3 times 40 = 120.

Answer for #6 : $30
Explanation: 6 cans = $12
6 times 2 is 12 = $ 24
3 cans = $6
$24 + $6 = $30

( Trust me. i already took this class)