3/19% of a quantity is equal to what fraction of the quantity ?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate