Giving 25 points for the investment with interest compounded annually, find the final balance and the total interest earned. $1200 for 2 years at 10%
a. final balance: $1440 interest earned: $240
b. final balance: $1452 interest earned: $252
c. final balance: $1600 interest earned: $400
d. final balance: $2400 interest earned: $1200

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?