LESSON 7 – WORD PROBLEMS (BASIC, INVESTMENT)
πΌππ‘ππππ π‘ πΈπππππ (πππ ππππ) = π΄πππ’ππ‘ πππ£ππ π‘ππ × π
ππ‘π ππ πΌππ‘ππππ π‘
Example β
Mara saved $1400 working last summer. She invested some of the money in a term deposit
that paid 5.5% per annum and the remainder in a savings account that paid only 2% per annum.
If the total interest earned after one year was $56, determine the amount of money Mara
invested at each rate.
Example β‘
Mrs. Peleck has a change jar at home filled with 256 coins split between dimes and quarters.
She has a total of $45.85. How many of the coins are dimes?
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