3 x40 + 3 x 2 = 120 + 6 = 126
Type your answer here... the answer is 3 because 3x24 is 72 and 3x42 is 126.
3x42 + 4 You don't even need a 2 : 3x4x4 +4
There are 10 students in the initial selection. (7+3) 3 is 30% of 10 and 7 is 70% of ten. 30% of 420 = 126 girls 70% of 420 = 294 boys There are 126 girls at the concert.