Question

(a) A typist types 1800 words in 1 hour. Find the
number of words that she can type per minute.
(b) If $120.99 is charged for 654 units of electricity
used, find the cost of one unit of electricity.
(C) A man pays a total of $4800 in flat rental
for 3 months. Find his monthly rental rate.
(d) If the mass of a metal bar which is 3.25 m long
is 15 kg, find its mass per metre.



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Answer 1

Answer:

a.40 c.16000

Step-by-step explanation:

I know a and c

Answer 2

Answer:

16000

Step-by-step explanation:

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