Nelly Español
Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours.
Together they charged a total of $3800. What was the rate charged per hour by each mechanic if the sum of the two rates
was $215 per hour?

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

In what organelle does photosynthesis take place?