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svet-max [94.6K]
3 years ago
7

PLEASE HELP

Mathematics
1 answer:
Dominik [7]3 years ago
8 0
A. Let the Initial Interest rate = x
It is given that each month Interest rate decreases by 1/4 point. Let total change of rate over the last six month= y
y = 6 x -x/4
y = -1.5x

B. Total Change
= (-1.5x-x)/(6-1)
= -2.5x/5
= -0.5x
= -5x/10
= -x/2
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