Question:
1. Alan invests some of his retirement savings in a fund earning 6% simple interest and invests twice as much in a fund earning 9% simple interest. If he earns $480 combined interest on the accounts, how much does he have in the 6% account?
2. The product of two consecutive integers is -14 more than the square of the smaller one. Find the larger integer. Enter only the larger of the two integers.
3. An aquarium is 35 inches long, 16 inches wide and 24 inches high. The volume of water in the aquarium is 7840 cubic inches. How deep is the water? Note: Volume = length? width? height?
4. Solve. 8?(x + 2) - 7 = -47 Enter only the value of the variable. Do NOT enter an equation. If the solution is not an integer, enter it as a fraction in simplest form. Do not enter a mixed number.
5. Adrian invests some of his retirement savings in a fund earning 5% simple interest and invests twice as much in a fund earning 7% simple interest. If he earns $437 combined interest on the accounts, how much does he have in the 7% account?