Pls help asap with working ty

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Secondary 1 | Maths
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Secondary 1 Maths Singapore

Pls help asap with working ty

Date Posted: 2 years ago

Timothy Chia

2 years ago

h/2(18+a) = 12 x 15 - h/2(18-a)
2(180) = 18h + ah + 18h - ah
36h = 360
h = 10

done {{ upvoteCount }} Upvotes

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Do double check final answers thanks

Date Posted: 2 years ago