Kwesi is putting on sunscreen. He uses 3 ml to cover 45 cm of his skin. He wants to know how many milliliters of sunscreen (g) he needs to cover 240cm of his skin. He assumes the relationship between milliliters of sunscreen and the area is proportional. How many milliliters does Kwesi need to cover 240 cm of his skin?

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.

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error