nicolascorrea0207
11.03.2020 •
Mathematics
Robert is building a deck in his backyard. each piece of wood measures for two. 5 inches. if he has 86 boards, how long are they altogether?
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Ответ:
d) 2m+1
Step-by-step explanation:
for example:
m be 2 then. 2×2+1=5
m be 3 then. 2×3+1=7