1. A cockroach covers a distance of 30 m in 1.5 minutes. What is the speed of cockroach?
Solution : Distance covered (s)= 30 m
Time (t)= 1.5 min = 90 s
S
30 m
Speed
..
= 0.33 ms-1
90 s
7

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?