What is the value of the variable (letter) to make the equation true?
n ÷ 5 = 10 × 2
n =
What is the value of the variable (letter) to make the equation true?
3r = 21 − 6
r =
Simplify the expression.
5,000 ÷ [(15 × 2) + (67 − 47)]
Select all the prime numbers.