Dear S1-02

Please take a look at the following questions (and if you could, attempt them):

Q1:

If y is directly proportional to x and y = 8 and x = 5,

(a) find the equation connecting x and y

(b) sketch the graph representing the relationship

(c) find the value of y when x = 10

Q2:

The expenses, E, at a tea party, is directly proportional to the number of guests, N present. The expenses for 40 guests was found to be $320. Find

(a) the equation connecting E and N

(b) the expenses of 120 guests

(c) the number of guests if the expenses is $720

(d) the cost per person

1.(a) y=1.6x

ReplyDelete(c)16

2.(a) E=8N

(b) $960

(c) 90 guests

(d) $8