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1. In a class of 12 students, 7 have dogs, 5 have cats and 2 have dogs AND cats.How many students have dogs OR cats?2. When your son is born, to save for his college fees, you decide to deposit $100 monthly in an annuity account, that pays 5% interest rate. How much will you have in the account when the child is 18 years old.3. The price of a condominium is $175,000. The bank requires a 15% down payment. The cost of the condominium is financed with a 30-year fixed-rate mortgage at 5% interest. The required down payment is |
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