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I need help plz A shop decreases prices by 10% and then by a further 20%. Rachel says: “Prices have now decreased by 30%”. Is Rachel correct? You must show your working.

I need help plz A shop decreases prices by 10% and then by a further 20%. Rachel says: “Prices have now decreased by 30%”. Is Rachel correct? You must show your working.
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1 vote
I need help plz

A shop decreases prices by 10% and then by a further 20%.

Rachel says: “Prices have now decreased by 30%”.
Is Rachel correct?
You must show your working.

asked
User Nasreen Ustad
by
7.8k points

1 Answer

4 votes
Yes she is

Explanation:
answered
User Matt Mills
by
8.9k points
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