Generate Expressions
Generate Expressions 1. If a coffee company purchases paper cups at a cost of x cents for a package of ten and lids at a cost of y cents per dozen, which of the following represents its material cost, in cents, of c cups of coffee? 2. If a car rental company charges $100 for each rental, a dollars per mile, and b dollars per hour, which of the following represents the total cost to rent a car for 6 hours and travel 250 miles? 100 + 250a + 6b 3. In a library there are currently B bookshelves, each with 40 books. C new bookshelves are added, then 5 books are added to every bookshelf in the library. How many books have been added to the library? 45C + 5B 4. A boat drifts down a 200-mile river at a rate of 6 miles per hour for the first h hours. In terms of h, where h < 30, how many miles remain to be traveled? 200-6h 5. If Sarah earns d dollars per hour for babysitting, and t dollars per hour of travel time, which of the following represents her earnings after babysitting for 4 hours and traveling one hour to the family's house? 4d+t 6. The cost of a pair of shoes is S dollars. If the shoes go on sale for P percent off of their original price, and Joey buys them with a coupon for an additional C percent off of the sale price, then what price does Joey pay? | | | | 7. If Peter can mow the front lawn in 15 minutes less than twice the time it takes Amanda to mow the lawn, and Amanda can mow the lawn in h hours, which of the following expressions represents the time in hours it takes Peter to mow the lawn? 8h - 1 | | 4 | 8. Joe can ride his bike M miles in 1 hour. If he lives 3 miles from school and it takes him N minutes to get there, which of the following represents M in terms of N? 180 | | N | 9. If each support cable can support p pounds, and the total weight of an elevator is m pounds, which of the following represents the number of cables required to support the elevator? m/p 10. If Kat is four