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pls help me thank you!

Pls Help Me Thank You class=

Sagot :

Answer:

5%

Step-by-step explanation:

Simple interest formula I = Prt

I is the interest

P is the principal

r is the rate

t is the time

so

1400 = (4000)r(7)

r = 1400/(4000 x 7)

r = 0.05 or 5%