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PROBLEM :
- Father needs fencing materials for his garden. If his garden measures 18m by 7m, how much fencing materials will he need?
GIVEN :
ASKED :
- how much fencing materials will he need?
SOLUTION :
[tex] \rm{Given:}{\rm \begin{cases}{ \rm \: L = 18} \\ { \rm W\: = 7}\end{cases}}[/tex]
[tex]\rm \:\:\:\:\:P=2×18+2×7 \\ \rm \: P=2 \times (7 + 18) \\ \rm \: P = 2 \times 25 = 50[/tex]
ANSWER :
- He will need 50 meters of fencing materials
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