Question

The sunglasses cost €70

The exchange rate is €1 = £0.895
Emad says, “The sunglasses cost less than £60"
b) Using a suitable approximation, show that Emad is wrong.

Answer 1

70 * 0.895 = 62.65

OR

1 0.895

70 x

-Cross-multiply

`(70 * 0.895)/(1)` = 62.65