Correct
Explanation
9. Two twins are 2 people, three triplets are 3 people, and four quadruplets are 4 people. 2 + 3 + 4 = 9.
Solve this puzzle
Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation.
3+4=25 3+4=5+2 32=4+5 32=45