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Mashcka [7]
3 years ago
8

9. Sarah saves $200 in her bank account for 3 years at a 5% interest rate. How much interest does she earn?​

Mathematics
2 answers:
Verizon [17]3 years ago
6 0

Answer:

$30

Step-by-step explanation:

Assuming this is an annual compound with a simple interest rate. the formula we can use is A=P(rt).

P=200

r=0.05

t=3

0.05*3=0.15

200*0.15=30

She earned $30

love history [14]3 years ago
6 0

Answer:

The amount of interest she earns is: $30

Step-by-step explanation:

Given

  • Principle P = $200
  • Time period t = 3 years
  • Interest rate r = 5% or 5/100 = 0.05

To determine

Interst I = ?

Using the equation to determine the interest amount

I = Prt

substitute P = 200, r = 0.05 and r = 3

I\:=\:200\:\times \:0.05\:\times \:3

I = 30 $

Therefore, the amount of interest she earns is: $30

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