caprisun1491
18.12.2019 •
Mathematics
Mr. boyle replaced 25% of the boards on his wooden deck. if he replaced
19 boards, how many boards does his deck contain in total?
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Ответ:
Ответ:
Explanation: if that’s 25% then you have to multiply it by 4 because if you multiply 25 times 4 then it would equal to 100%
Ответ:
36/20 = 18/10
= 9/5
then divide 9 by 5
9/5 = 1.8