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Question
primary 5 | Maths
| Rate & Ratio
One Answer Below
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$65 - $20 = $45
45×(u+$5) = 65×u
u = 45×$5÷20 = $11.25
65u
= 65×$11.25
= $731.25 (Ans)
Check:
$731.25÷65 = $11.25
$11.25 + $5 = $16.25
$731.25 ÷ $16.25 = 45
65-45 = 20 ✓✓✓
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