1 answer
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(A) The discount given by Shop A for the mobile phone can be calculated by multiplying the usual price by the discount percentage:
Discount = 20% * $800 = $160
Therefore, the discount given by Shop A for the mobile phone is $160.
(B) To determine which shop Marcus should buy his mobile phone from, we need to compare the final prices after the discounts are applied.
Shop A's final price:
Usual price - Discount = $800 - $160 = $640
Shop B's final price:
Usual price - Discount = $780 - $120 = $660
Therefore, Marcus should buy his mobile phone from Shop A as it offers a cheaper final price of $640 compared to Shop B's final price of $660.