Going against the wind, a cyclist was able to reach 60 km in a matter of 4 hours. with the wind, she was able to cover 150 km in 6 hours. what would be the speed of the cyclist in calm air and how fast was the wind blowing?
answer: 62 booksstep-by-step explanation: let x is the number of books100x - 200 = 6000 +200 +200addition property of equality 100x = 6200100 100x = 62...Read More
1 add the whole numbers first6+\frac{5}{76}+\frac{7}{8}6+765+872 find the least common denominator (lcd) of \frac{5}{76}, \frac{7}{8}765,87lcd...Read More