Question

1. Find x in each of the following cases:
(b) 18:7 = 10 : x
(d) x: 8 = 99 : 44
(e) rm: 12 m = $42 : $63
0 1 km: 32 m = 250 g :xg
(a) 4:7=x: 5
(c) 9:x=24 : 88
5. Find the cost of
(a) 8 books when 6 books cost $48. given
that the price of each book is the same;
(b) 10 kg of tea when 3 kg of tea cost $18.
(c) a kg of sugar when b kg of sugar cost
c dollars.
2. Copy and complete the following:
18
10
then 18a =
(a) If
6. of a piece of metal weighs 7 kg What is
the weight of of the metal
7
a
7
(b) If = ", then x =
3. Find the ratio of x:y in each of the following
7. In a bookstore, 60 books of the same kind
occupy 1.5 m of shelf length. How much
shelf length is required for 300 such books?
If a shelf is 80 cm long, how many such
books are needed to fill the shell?
cases:
(a) 5x = 7y
(b) 3.2x = 1.2y
(c) 2x = 4
(d) 1.2x = 2
4. The lengths of two pieces of wire are in the
ratio 4: 7. If the length of the longer piece is
3.5 m, what is the length of the shorter piece?
8. A pile of 108 identical books weighs 30 kg
Find
(a) how many books weigh 20 kg and
(b) the weight of 150 books​

Answer 1

Answer:

I don't know sorry for rubbish answer.