help's answer to Sid's Primary 5 Maths Percentage Singapore question.
done
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to find box B' amount
add back the 25 coins
20+25 = 45 coins in box b
amt in box b =45 x 20¢ = 900¢ = $9
checking : total amt of miney (shown in qn)
= $19 dollars
amt in both boxes = $10 + $9 = $19 dollars
add back the 25 coins
20+25 = 45 coins in box b
amt in box b =45 x 20¢ = 900¢ = $9
checking : total amt of miney (shown in qn)
= $19 dollars
amt in both boxes = $10 + $9 = $19 dollars
Date Posted:
2 years ago
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