Forming equations using proportion by Boxed Rockets

Form Equations to Represent the Following

Question 1:

y is inversely proportional to x, when x = 6, y = 10

y = \frac{60}{x}

Question 2:

y is directly proportional to x, when x = 7, y = 49

y = 7 x

Question 3:

y is inversely proportional to x, when x = 2, y = 5

y = \frac{10}{x}

Question 4:

y is inversely proportional to x, when x = 5, y = 7

y = \frac{35}{x}