If 2 pupils can eat 6 balls of rice ball how many pupils can eat 12 rice balls

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4