2 years ago

Callum and Isabel have a total of 240 stamps.

Mathematics

1 answer:

Artemon [7]2 years ago

4 0

Original ratio: 3 + 8 = 11

240/11 = 21.818

3 x 21.818 = 65.5

11 x 21.818 = 174.5

New ratio: 3 + 2 = 5

240/5 = 48

3 x 48 = 144

2 x 48 = 96

Number of stamps bought = new amount - original amount:

144-65.5 = 78.5

Round to nearest whole number = 79 stamps bought

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