Sally has decided to spend some time over two days soving math problems. She figures that on the first day she wil be able to so
lve 19 long division problems and 11 graphing problems in 273 minutes. On the second day, she will be able to solve 12 long division problems and 17 graphing problems in 283 minutes. How long does it take Sally to solve one Long division problem?
<span>The total number (n) = 28. This includes the number of cats (c) and the number of dogs (d), which is three times the number of cats. Therefore n = c + d and 28 = c + 3c. 28 = 4c. C = 28/4. C = 7. Kim trained 7 cats.</span>