brenda9495
08.06.2021 •
Mathematics
A bookstore helppppppoo
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Ответ:
30% fewer mysteries means it has 70% of the quantity of science fiction:
Mysteries = 120 x 0.70 = 84
They have 84 mystery books.
They have 25 % more biographies than mysteries:
Multiply the number of mysteries by 1 + 25%:
84 x 1.25 = 105
They have 105 biographies
Ответ:
161
Step-by-step explanation:
7(23) = 7(20 + 3) =
Distribute
7*20 =140
7*3 =21
140+21 =161