At 60°F, water weighs 8.33 pounds per gallon. What is the approximate weight of
water in kilograms per liter?
kg
kg
A 0.98
C 15
liter
liter
kg
kg
B 4.8
D 32
liter
liter

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?