Chang and Carlotta solve this problem in two different ways
Chang's Assignment Carlotta's Assignment
You have $50 in your bank account
You make $8 per hour mowing lawns
How many hours must you mow lawns to have a total of $130 in your account?
50+ 8. H - 130
8.H-80
H - 10 hr
130-50 = 80
- 10
10 hr
Chang uses a variable He first subtracts then divides
Carlotta does not use
The operations Carlotta uses are
the operations Chang uses
Change and Carlotta use the operations in
order

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?