Two variables are said to interact when ____.

A car costs $9595 after 5% discount. What was its actual price?

20% of a person's salary goes into his account as savings. He spends 10% of the remaining amount on buying clothes. If he has $720 as cash left with him, what is his salary?

$1470 is divided among Adam, Brian and Chris. The share of Adam is two-thirds of the combined share of Brian and Chris. How much money does Adam get?

A company lost 30% by selling its old furniture for $7000. How many percent would it have gained, had it sold it for $15000?

A company purchases an asset on April'05. The acquisition cost of the asset is $90000 and the expected life is 5 years. The residual value at the end of its useful life is $20000. Calculate the amount of depreciation for 2005, 2006, 2007 using the double declining balance depreciation method.

A car costs $9595 after 5% discount. What was its actual price?