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3 years ago

Susie is 5 times the age the she was twenty years ago. How old is she now?

Mathematics

2 answers:

AlekseyPX3 years ago

8 0

Answer:

100 yrs old

Step-by-step explanation:

20 times 5

Sliva [168]3 years ago

7 0

Answer:

Susie is 25 years old

Step-by-step explanation:

Let

x = the age Susie has now.

x - 20 = the age she was 20 years ago.

If Susie is 5 times the age she was twenty years ago, then

x = 5 . (x - 20)

x = 5x - 100

4x = 100

x = 25

Susie is 25 years old, which is 5 times the age she was 20 years ago (25 years - 20 years = 5 years).

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Suppose that the initial amount of investment is P

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Then, the amount of simple interest is calculated as:

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