AC Lim's answer to Ethan's Primary 5 Maths Rate & Ratio Singapore question.
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Average of 1 toothbrush and 1 toothpaste = 8.50
Total price for a toothbrush and a toothpaste = 2 x $8.50 =$17.00
Toothbrush =$12,
Therefore toothpaste = $5
The price different $7
So, $42/$7 = 6 items each.
Ans: Anne buy 6 toothbrushes.
Hope this helps
Total price for a toothbrush and a toothpaste = 2 x $8.50 =$17.00
Toothbrush =$12,
Therefore toothpaste = $5
The price different $7
So, $42/$7 = 6 items each.
Ans: Anne buy 6 toothbrushes.
Hope this helps
Date Posted:
5 years ago
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