#### Answer

2 bags

#### Work Step by Step

Area of lawn
= ½ (a + b)h
= ½ (70 + 130)(60)
= 6000
No. of bags of fertiliser needed
= $\frac{6000}{4000}$
= 1.5
$\approx$ 2

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

2 bags

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