−6.5(n−5)=18.2
distribute
-6.5n +32.5 = 18.2
subtract 32.5 from each side
-6.5n = -13.4
divide each side by -6.5
n=2.2
Answer n=2.2
Use the rule of 72 for the monthly compound:
About 10.3 years
The students will each receive 4 cookies, you divide 112 from 28 and it is 4.
435+25x=875-15x where x is number of weeks
435+40x=875
40x=440
x=11
Final answer: 11 weeks
Answer: The width of the field = 120
Step-by-step explanation: This question can be solved by first opening of the bracket, then relating the equation to quadratic general equation and finally solve for domain of X by using quadratic formula.
Please find the attached file for the solution.