Answer:
10000
Step-by-step explanation:
It’s just 5 you divide 9 into 45 and get a whole number of 5



Answer: 24 gallons
Check: (1/6)24=4, 4+14=18, 18/24=3/4, good
Answer:
10000 different numbers
Step-by-step explanation:
The numbers will have the form 1XXXX5, in this case, the order is important because 123465 is a different number to 123645. To know the total of differents decimal numbers, use the formula of permutation with repetition:

is the number of options,
, and
the number of times you have to place a digit,
.
