Direct proportion
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1.
Given that aαb, complete the table
a
b
2.
4
5
20
8
45
15
10
Given that mαn, complete the table
m
17
n
42.5
3
9
8
2.5
12.5
3.Is kαp
4.
k
4
7
9
1.7
3.6
12.7
p
6.8
11.9
15.3
2.89
6.12
21.59
Complete this table so that tαg
t
g
9
2.1
9
0.3
2.1
0.3
5.
Find the speed of a car, in miles per hour, if it travels…
a.
30 miles in one hour
b.
30 miles in 30 minutes
c.
30 miles in 45 minutes
6.
7 metres of ribbon costs £12.
a.
Find the cost of 5 metres of ribbon
b.
How much ribbon can be bought with £10?
7.
A recipe for six people needs 500g of rice.
a.
How many people can be fed with 700g of rice?
b.
How much rice is needed for 10 people?
Mathematics. Solved.
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