You would add up the length of all sides to get the area.
Answer:
3n + 6
Step-by-step explanation:
7.
three times a number: 3n
six more than three times a number: 3n + 6
The sum of 0.423 and 4.7 is 5.123
Answer:
7 hours
Step-by-step explanation:
John already has $100 in his account if he works for 7 hours he will make $85.75 which is more than enough and he will have $185.75. If he worked for 6 hours he will make only $73.50. Which then he will have $173.50. So that is why the answer is 7 hours.