1/15 as a decimal would be 0.6666666......
Or you can round that off to 0.67
Answer:

where x = number of adults
y = number of children
and the extra weights of 4kg of each person.
Answer:240 square feet
Step-by-step explanation:
Answer: 31 & 42
<u>Step-by-step explanation:</u>
1st #: x
2nd #: x + 11
1st# + 2nd# = sum
x + x + 11 = 73
2x + 11 = 73
2x = 62
x = 31
2nd #: x + 11 = 31 + 11 = 42