The Community Relief Charity Group, math homework help
The Community Relief Charity Group, math homework help
1-The Community Relief Charity Group is earning 3.5% simple interest on the $2800 it invested in a savings account. It also earns 4.8% simple interest on an insured bond fund. The annual interest earned from both accounts is $314. How much is invested in the insured bond fund?
2-Cabin Financial Service Group recommends that a client purchase for $10,000 a corporate bond that earns 6% annual simple interest. How much additional money must be placed in an investment that earns a simple interest rate of 3% so that the total annual interest earned from the two investments is 3.5% of the total investment?
Flying with the wind, a small plane flew 384 mi in 2 h. Flying against the wind, the plane could fly only 366 mi in the same amount of time. Find the rate of the plane in calm air and the rate of the wind.
| rate of plane | mph |
| rate of wind | mph |
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