codycollier
31.08.2019 •
Mathematics
Write a mathematical expression for: the sum of twice a number n and 20.
a. the fraction n over 2 then plus 20
b. 2n + 20
c. 2n minus 20
d. n + 2 times 20
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Ответ:
Twice means to multiply by two
Sum means to add
Ответ:
thx
Step-by-step explanation: