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Name: Karleigh. K Class: ((70)/(3)) Directions: Please use cubes and show your work for all the questions. Charis invested $140. She earned a simple interest of 3% per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Charis received at the end of two years?

Name: Karleigh. K\newlineClass: 70 \lcm{3} \newlineDirections: Please use cubes and show your work for all the questions.\newlineCharis invested $140 \$ 140 . She earned a simple interest of 3% 3 \% per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Charis received at the end of two years?

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Q. Name: Karleigh. K\newlineClass: 70 \lcm{3} \newlineDirections: Please use cubes and show your work for all the questions.\newlineCharis invested $140 \$ 140 . She earned a simple interest of 3% 3 \% per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Charis received at the end of two years?
  1. Identify Formula: Identify the formula for calculating simple interest.\newlineSimple interest can be calculated using the formula I=PRTI = PRT, where II is the interest, PP is the principal amount (initial investment), RR is the rate of interest per year, and TT is the time in years.
  2. Plug in Values: Plug in the values into the formula to calculate the interest.\newlineP=$140P = \$140 (initial investment)\newlineR=3%R = 3\% per year (convert the percentage to a decimal by dividing by 100100, which gives 0.030.03)\newlineT=2T = 2 years\newlineNow, calculate the interest using the formula: I=PRTI = PRT\newlineI=$140×0.03×2I = \$140 \times 0.03 \times 2
  3. Calculate Interest: Perform the multiplication to find the interest.\newlineI=($)140×0.03×2I = (\$)140 \times 0.03 \times 2\newlineI=($)4.20×2I = (\$)4.20 \times 2\newlineI=($)8.40I = (\$)8.40

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