... of the unknown(s) for which theleft-hand side (LHS) of the equation is equal to the right-hand side (RHS).8 ESSENTIAL MATHEMATICS FOR ECONOMICS AND BUSINESS For example, the ... integration) are covered inXVIESSENTIAL MATHEMATICS FOR ECONOMICS AND BUSINESS Chapters 1, 2, 3, 4, 6 and 8. These provide the basis for the usual economic applications.(Note: an ... dollarPolish zlotyHungarian forintHong Kong dollarSingapore dollar1.34601.69883.7143247.50006.83991.560710 ESSENTIAL MATHEMATICS FOR ECONOMICS AND BUSINESS WORKED EXAMPLE 1.7CURRENCY...