Ardi and lei are both travelling by train. Ardi's train travels 70km in 35 minutes. Lei's train travels 585km. It leaves at 9:05 and arrives at 13:35. Work out the difference in Km/h between the average speed of there trains

In a film, actor Charles Coburn plays an elderly "uncle" character criticized for marrying a woman when he is 3 times her age. He wittily replies, "Ah, but in 30 years time I shall only be twice her age.

The owner of a flower shop sells 18 roses for $90 what is the cost in dollars per Rose

Simplify 3 radical 5 over 4 radical 5

What is 8x + 3 = 3x + 23

Clara simplifies (8b-4r) - (2b-r) and says the result is 6b-4r. What error did Clara make?

In a group of 48 children, there are twice as many boys as girls. How many girls are there?

A squared has a length of 5mm what is the perimeter of the square in dm?

Select the all numbers below which are rational numbers. - 76 (Square root) 13 3.14159 ... 10.030030003 ... 0.625 18.310 (Square root) 0.25 5/9

Sisters Rosey and Valerie specialize in two different triathlon events. Rosey finds that her average cycling speed is 7 mph faster than Valerie's average running speed. Rosey can cycle 32 miles in the same time that it takes Valerie to run 18 miles.

A restaurant charges $3.00 for a refillable cup. Tha refills are complementary.