1. Solve using the addition and multiplication principles.
2.4+17.8> 44.5 - 6.5x
The solution set{x|x> }.
2. Translate to an inequality.
A number is at least 13
The is _ _ _
(use x as the variale.)
3. Translate to an inequality. Use the variable x.
The number of people in the chess club is less than or equal to 23.
The answer is _ _ _.
4. Translate to an inequality the average speed, s, was between 80 and 100 mph.
transtation: 80 _ s _
5. The width of a rectangle is fixed at 11cm. What lengths will make the perimeter greater than 86cm?
The length must be greater than cm.