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ollegr [7]
3 years ago
8

Suppose an investment of $1,800 doubles in value every 7 years. How much is the investment worth after 42 years?

Mathematics
2 answers:
Dima020 [189]3 years ago
8 0

The investment worth after 42 years is $115200, so option 2 is correct

<u>Solution:</u>

Given, an investment of $1,800 doubles in value every 7 years. We have to find how much is the investment worth after 42 years from the given set of options.

\begin{array}{l}{\text { Now, after } 7 \text { years } \rightarrow 1800 \times 2=3600} \\\\ {\text { After } 14 \text { years } \rightarrow 3600 \times 2=7200} \\\\ {\text { After } 21 \text { years } \rightarrow 7200 \times 2=14400} \\\\ {\text { After } 28 \text { years } \rightarrow 14400 \times 2=28800} \\\\ {\text { After } 35 \text { years } \rightarrow 28800 \times 2=57600} \\\\ {\text { After } 42 \text { years } \rightarrow 57600 \times 2=115200}\end{array}

Hence, the investment worth after 42 years is $115200, so option 2 is correct.

-Dominant- [34]3 years ago
4 0

Answer:

Step-by-step explanation:

115.200

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