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Anni [7]
3 years ago
12

Lucy has 68 books.

Mathematics
2 answers:
andrew11 [14]3 years ago
7 0

Answer:

Lucy had 40 books last year.

Step-by-step explanation:

assuming 100% is the percent;

100% + 70%

100 : x

170 : 68

cross multiply = 170x = 100 x 68

-------- ————-

170 170

cancel 170/170

therefore x = 100 x 68 divided by 170

result is 40

Solnce55 [7]3 years ago
5 0
40 books my guy.....
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