4. The area of a rectangular field is 391 m and its length is 23 m. Find the:
(i) breadth of the field, and
(11) cost of fencing it at the rate of $ 10.50 per metre.
Answers
Answered by
4
Step-by-step explanation:
1) area =length × width
391=23×b
23b=391
b=391÷23
b=17
Answered by
6
Step-by-step explanation:
a=l×b
391=23×b
b=391/23
b=17
p=2×l+b
=2×23+17
=2×40
=80
fencing cost=$840
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