Mathematics: Alice s stamp collection was 75% of the size of raymond s. after alice sold 40% of her stamps and raymond sold 20% of his stamps, alice had 140 fewer stamps than raymond. how many stamps did alice sell?

Alice s stamp collection was 75% of the size of

Ответ:

whathelppp

28.05.2020

Raymond's stamp collection ➞x
Alice′s stamp collection➞75%x
75%x-40%×75%x+140=x-20%x
75%x-30%x+140=80%x
45%x+140=80%x
140=80%x-45%x
x=400
Raymond′s stamp collection ➞400
Alice′s stamp collection➞300
Alice sold 300×40%=120
120

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Ответ:

aambitiouss

12.04.2022

Mathematics

It is d. 16.2.i hope you have a great day, god bless.brainliest is always appreciated : )

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Alice's stamp collection was 75% of the size of raymond's. after alice sold 40% of her stamps and raymond sold 20% of his stamps, alice had 140 fewer stamps than raymond. how many stamps did alice sell?

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