Answer the following questions about ratios. 
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Graded Response 
a) A scale model of a car has a ratio of
2:25 compared to the real car. How many times larger
is the diameter of the real car's tires? 
a)


b) The ratio of boys to girls in a class is 5/3.
If 10 boys are in the class, then how many students
are in the class?

b)


c) The side lengths of two equilateral triangles
have a ratio of 4:1. How many times larger is the
area of the larger triangle?

c)

