Answer:
The correct answers are:
7) 2 to 5
8) the product of the means is equal to the product of the extremes (D)
Step-by-step explanation:
7) Number of tbsp of sugar = 4
Number of tbsp of baking powder = 10
∴ ratio of sugar to baking powder = 4 : 10
simplifying further by dividing through by 2
4 : 10 = 2 : 5
∴ ratio of sugar to baking powder = 2 to 5
8) A proportion is a statement that equates two rates or ratios.
For example:
In this equation, the first and the fourth terms (a and d) are called <em>extremes</em><em>, </em>while the second and third terms are called means.
Therefore, one rule of proportions is that the product of the extremes must equal the product of the means. This means that:
a × d (extremes) = b × c (means)