The answer is x= -5
Explanation:
3n-5=7
The three times a number goes first because there is the “less than” phrase.
Answer:
Step-by-step explanation:
- Math session = 45 min = 3/4 hr
- French session = 30 min = 1/2 hr
- Number of math sessions = m, total math hours = 3/4m
- Number of French sessions = f, total French hours = 1/2f
<u>Total hours constraint:</u>
<u>Number of session constraint:</u>
<u>So the system is:</u>
(m+4)(m+1)
=m^2+5m+4........
