Answer:
Part a)

Part b)

Part c)

Explanation:
Part a) Write the number as a fraction
Let
x ----> the amount of money raised
y ---> the goal of the fundraiser
The numerator of the fraction is the amount of money raised (x)
The denominator of the fraction is the the goal of the fundraiser (y)
we have


substitute

simplify

That means
The proportion of the amount raised by the goal of the fundraiser is 11:25
Part b) Write the number as decimal number
we have

Divide the numerator by the denominator

Part c) Write the number as a percentage
Multiply the fraction number or the decimal number by 100
