4. If 75 persons can perform a piece of work in 12 days of 10 hours, how many men will
perform a piece of work twice as great in tenth part of time, if they work the same
number of hours a day, supposing that two of the second set can do as much work as
three of the first set?
1
n.1.1

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

Which of the following statement about pascal's triangle are true?

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'