Question

8. Kathy can type six letters every 3 seconds using the message function in her mobile phone.

(a) Find the rate of letters per second that Kathy can type.

(b) Hence, find the number of letters Kathy can type in

i) 9 seconds (ii) half a minute.

c) How many seconds would Kathy take to type a 46-letter message?

Answer 1

Answer:

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