Math quiz 7B tomas Babilonia

In a poultry farm 12,384 chicks are produced, the same ones that will be transported in boxes with ventilation in which they fit 96 chicks. How many boxes need to be transported to all the chicks?

Alejandro has 600 marbles and as he is going to live in Guadalajara he will give them to his 12 friends in equal parts. How many marbles will you give to each friend?

Equal is the number of tiles that fit on a floor that has 5 tiles long by 4 tiles wide?

Toño buy a pc and the price is 512 and he need to pay 68 first ¿ How much remains to be paid ?

Expansion of (x + 3y)(x - y) gives

9a2 - 4 gives

Factorize x2 + 8x + 12