Write the statement in the form of equation. Use k as the constant of variation. (choose 1 equation only, use small letter and no spacing)

w varies directly as z

(a)  

Does y varies directly as x? Type YES or NO

(a)  

Does y varies directly as x? Type YES or NO (use capital letter)

(a)  

Does y varies directly as x? Type YES or NO (use capital letter)

(a)  

Does y varies directly as x? Type YES or NO (use capital letter)

(a)  

Does y varies directly as x? Type YES or NO (use capital letter)

(a)  

Solve for the unknown variable:

If y varies directly as x and y = 96 when x = 4, what is the value of y when x = 30?

(a)  

Solve for the unknown variable:

If a varies directly as b and a = 12 when b = 20, what is the value of b if a = 123? (no space)

(a)  

Solve for the unknown variable:

If z varies directly as r and z = 243 when r = 27. What is the value of z when r = 780? (do not use comma)

(a)  

The distance covered by a moving object with a constant rate varies directly as the time it travelled. Milo walked 40 meters in 15 seconds. How long will it take him to walk 128 meters with a constant rate? (use small letter for the unit of measure, (a)   seconds)

A school committee is assigned the task of selecting a DJ for their annual dance night. They were able to find a DJ who charges 5000 pesos for every 3 hours. How much will the school pay if the dance lasts for 9 hours? (use the word pesos in small letter as unit of measure, (a)   pesos)