BASIC LEVEL
(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.
Answers
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Answer:
a) 30
b)5.99
c)14400
Step-by-step explanation:
a)1800/60 =
b)654/120.99 =
c)4800 x 3
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